Advisory boundary-shape measurements
District compactness, without pretending it proves intent.
Compare Polsby–Popper and convex-hull ratios for official 2024 congressional and state legislative boundaries. Detailed measurements are checked against Census 1:500,000 geometry so resolution-sensitive shapes remain visible instead of becoming false precision.
Compactness is a descriptive screen, not a gerrymandering severity score.
Low values can reflect coastlines, islands, political subdivisions, communities of interest, legal requirements, or map resolution. They do not establish partisan intent, illegality, representational quality, fraud, or misconduct.
Comparable shape metrics
Official plan boundaries
Showing 4,401–4,500 of 7,272
| District | Type | Polsby–Popper | Convex hull | Relative percentile | Resolution check | Boundary detail |
|---|---|---|---|---|---|---|
| MO · State Senate District 22GEOID 29022 · effective 2024-01-01 | State legislative upper chamber | 0.359500K: 0.372 | 0.841500K: 0.842 | 63.3middle or higher | stablePP difference 3.6% | 169.636 km3,007 vertices · 1 part · 0 holes |
| GA · State House District 92GEOID 13092 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.368 | 0.784500K: 0.784 | 58.1middle or higher | stablePP difference 2.6% | 72.805 km1,888 vertices · 1 part · 0 holes |
| PA · State House District 85GEOID 42085 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.364 | 0.770500K: 0.770 | 58.1middle or higher | stablePP difference 1.4% | 211.628 km3,567 vertices · 1 part · 0 holes |
| NJ · State Senate District 3GEOID 34003 · effective 2024-01-01 | State legislative upper chamber | 0.359500K: 0.394 | 0.859500K: 0.857 | 63.3middle or higher | stablePP difference 8.8% | 248.096 km9,401 vertices · 1 part · 0 holes |
| NJ · Assembly District 03GEOID 34003 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.394 | 0.859500K: 0.857 | 58.1middle or higher | stablePP difference 8.8% | 248.096 km9,401 vertices · 1 part · 0 holes |
| KS · State House District 48GEOID 20048 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.363 | 0.739500K: 0.739 | 58.2middle or higher | stablePP difference 1.1% | 22.814 km401 vertices · 1 part · 0 holes |
| CA · Assembly District 7GEOID 06007 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.368 | 0.774500K: 0.775 | 58.2middle or higher | stablePP difference 2.3% | 120.866 km1,393 vertices · 1 part · 0 holes |
| MA · 1st Hampshire DistrictGEOID 25056 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.362 | 0.759500K: 0.759 | 58.2middle or higher | stablePP difference 0.8% | 144.57 km1,852 vertices · 1 part · 0 holes |
| PA · State House District 119GEOID 42119 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.361 | 0.718500K: 0.718 | 58.2middle or higher | stablePP difference 0.5% | 94.912 km1,081 vertices · 1 part · 0 holes |
| KY · State Senate District 13GEOID 21013 · effective 2024-01-01 | State legislative upper chamber | 0.359500K: 0.390 | 0.824500K: 0.823 | 63.4middle or higher | stablePP difference 7.8% | 50.066 km1,185 vertices · 1 part · 0 holes |
| FL · State House District 27GEOID 12027 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.366 | 0.762500K: 0.762 | 58.3middle or higher | stablePP difference 1.9% | 321.553 km4,210 vertices · 1 part · 0 holes |
| DE · State Representative District 32GEOID 10032 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.390 | 0.810500K: 0.800 | 58.3middle or higher | stablePP difference 7.8% | 88.357 km1,273 vertices · 1 part · 0 holes |
| AK · State House District 3GEOID 02003 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.072 | 0.835500K: 0.722 | 58.3middle or higher | resolution sensitivePP difference 79.9% | 738.004 km4,818 vertices · 1 part · 0 holes |
| NY · Assembly District 69GEOID 36069 · effective 2024-01-01 | State legislative lower chamber | 0.359500K: 0.361 | 0.774500K: 0.774 | 58.3middle or higher | stablePP difference 0.4% | 14.999 km183 vertices · 1 part · 0 holes |
| OK · State Senate District 48GEOID 40048 · effective 2024-01-01 | State legislative upper chamber | 0.360500K: 0.360 | 0.747500K: 0.748 | 63.4middle or higher | stablePP difference 0.2% | 90.281 km1,668 vertices · 1 part · 0 holes |
| PA · State House District 102GEOID 42102 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.364 | 0.748500K: 0.748 | 58.3middle or higher | stablePP difference 1.1% | 149.578 km1,352 vertices · 1 part · 0 holes |
| NC · State House District 23GEOID 37023 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.367 | 0.762500K: 0.773 | 58.4middle or higher | stablePP difference 2.2% | 392.826 km9,375 vertices · 1 part · 0 holes |
| ME · State House District 141GEOID 23141 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.364 | 0.774500K: 0.774 | 58.4middle or higher | stablePP difference 1.2% | 89.995 km1,819 vertices · 1 part · 0 holes |
| PA · State House District 77GEOID 42077 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.387 | 0.858500K: 0.858 | 58.4middle or higher | stablePP difference 7.0% | 171.503 km3,946 vertices · 1 part · 0 holes |
| NM · State Senate District 24GEOID 35024 · effective 2024-01-01 | State legislative upper chamber | 0.360500K: 0.373 | 0.802500K: 0.803 | 63.5middle or higher | stablePP difference 3.7% | 36.629 km957 vertices · 1 part · 0 holes |
| OK · State Senate District 46GEOID 40046 · effective 2024-01-01 | State legislative upper chamber | 0.360500K: 0.361 | 0.731500K: 0.731 | 63.5middle or higher | stablePP difference 0.2% | 56.513 km1,251 vertices · 1 part · 0 holes |
| IN · State House District 89GEOID 18089 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.365 | 0.819500K: 0.819 | 58.4middle or higher | stablePP difference 1.5% | 58.137 km979 vertices · 1 part · 0 holes |
| SD · State House District 26BGEOID 4626B · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.361 | 0.852500K: 0.852 | 58.4middle or higher | stablePP difference 0.4% | 574.914 km5,499 vertices · 1 part · 0 holes |
| SC · State House District 27GEOID 45027 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.374 | 0.762500K: 0.761 | 58.5middle or higher | stablePP difference 3.7% | 45.595 km1,370 vertices · 1 part · 0 holes |
| IN · State House District 72GEOID 18072 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.366 | 0.756500K: 0.757 | 58.5middle or higher | stablePP difference 1.6% | 94.21 km1,854 vertices · 1 part · 0 holes |
| PA · State House District 29GEOID 42029 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.366 | 0.811500K: 0.810 | 58.5middle or higher | stablePP difference 1.6% | 86.176 km1,125 vertices · 1 part · 0 holes |
| MA · 34th Middlesex DistrictGEOID 25092 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.376 | 0.772500K: 0.770 | 58.5middle or higher | stablePP difference 4.1% | 16.982 km446 vertices · 1 part · 0 holes |
| MI · State House District 60GEOID 26060 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.365 | 0.770500K: 0.771 | 58.5middle or higher | stablePP difference 1.4% | 54.474 km513 vertices · 1 part · 0 holes |
| AK · State Senate District BGEOID 0200B · effective 2024-01-01 | State legislative upper chamber | 0.360500K: 0.067 | 0.833500K: 0.726 | 63.6middle or higher | resolution sensitivePP difference 81.4% | 868.758 km2,976 vertices · 1 part · 0 holes |
| HI · State House District 5GEOID 15005 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.352 | 0.801500K: 0.773 | 58.6middle or higher | stablePP difference 2.3% | 443.959 km3,427 vertices · 1 part · 0 holes |
| NY · Assembly District 79GEOID 36079 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.365 | 0.745500K: 0.747 | 58.6middle or higher | stablePP difference 1.4% | 13.696 km156 vertices · 1 part · 0 holes |
| CO · State House District 25GEOID 08025 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.372 | 0.921500K: 0.921 | 58.6middle or higher | stablePP difference 3.1% | 205.521 km3,712 vertices · 1 part · 0 holes |
| LA · State House District 100GEOID 22100 · effective 2024-01-01 | State legislative lower chamber | 0.360500K: 0.379 | 0.796500K: 0.793 | 58.6middle or higher | stablePP difference 5.0% | 154.777 km2,537 vertices · 1 part · 0 holes |
| NC · State Senate District 40GEOID 37040 · effective 2024-01-01 | State legislative upper chamber | 0.361500K: 0.372 | 0.746500K: 0.746 | 63.6middle or higher | stablePP difference 3.0% | 81.608 km2,117 vertices · 1 part · 0 holes |
| MN · State House District 25AGEOID 2725A · effective 2024-01-01 | State legislative lower chamber | 0.361500K: 0.363 | 0.751500K: 0.751 | 58.6middle or higher | stablePP difference 0.5% | 91.3 km1,076 vertices · 1 part · 0 holes |
| OH · State Senate District 24GEOID 39024 · effective 2024-01-01 | State legislative upper chamber | 0.361500K: 0.366 | 0.802500K: 0.802 | 63.7middle or higher | stablePP difference 1.5% | 115.766 km1,118 vertices · 1 part · 0 holes |
| IN · State House District 75GEOID 18075 · effective 2024-01-01 | State legislative lower chamber | 0.361500K: 0.366 | 0.822500K: 0.822 | 58.7middle or higher | stablePP difference 1.4% | 256.533 km3,356 vertices · 1 part · 0 holes |
| CA · Assembly District 46GEOID 06046 · effective 2024-01-01 | State legislative lower chamber | 0.361500K: 0.377 | 0.846500K: 0.847 | 58.7middle or higher | stablePP difference 4.2% | 83.773 km1,590 vertices · 1 part · 0 holes |
| SC · State House District 104GEOID 45104 · effective 2024-01-01 | State legislative lower chamber | 0.361500K: 0.344 | 0.821500K: 0.816 | 58.7middle or higher | stablePP difference 4.8% | 100.969 km1,300 vertices · 1 part · 0 holes |
| CO · State House District 26GEOID 08026 · effective 2024-01-01 | State legislative lower chamber | 0.361500K: 0.365 | 0.819500K: 0.819 | 58.7middle or higher | stablePP difference 1.1% | 1,031.31 km7,899 vertices · 1 part · 0 holes |
| NC · State House District 22GEOID 37022 · effective 2024-01-01 | State legislative lower chamber | 0.361500K: 0.381 | 0.803500K: 0.803 | 58.7middle or higher | stablePP difference 5.1% | 406.72 km13,662 vertices · 1 part · 0 holes |
| MO · State House District 35GEOID 29035 · effective 2024-01-01 | State legislative lower chamber | 0.361500K: 0.367 | 0.790500K: 0.790 | 58.8middle or higher | stablePP difference 1.5% | 61.993 km590 vertices · 1 part · 0 holes |
| PA · State House District 72GEOID 42072 · effective 2024-01-01 | State legislative lower chamber | 0.361500K: 0.370 | 0.809500K: 0.809 | 58.8middle or higher | stablePP difference 2.4% | 140.645 km1,886 vertices · 1 part · 0 holes |
| MT · State Senate District 49GEOID 30049 · effective 2024-01-01 | State legislative upper chamber | 0.361500K: 0.386 | 0.819500K: 0.819 | 63.7middle or higher | stablePP difference 6.3% | 45.05 km610 vertices · 1 part · 0 holes |
| WA · Congressional District 7GEOID 5307 · effective 2024-01-01 | U.S. House | 0.361500K: 0.113 | 0.825500K: 0.571 | 75.2middle or higher | resolution sensitivePP difference 68.6% | 150.734 km1,543 vertices · 1 part · 0 holes |
| OR · State House District 24GEOID 41024 · effective 2024-01-01 | State legislative lower chamber | 0.361500K: 0.366 | 0.770500K: 0.770 | 58.8middle or higher | stablePP difference 1.3% | 250.687 km2,863 vertices · 1 part · 0 holes |
| MA · Worcester and Hampshire DistrictGEOID 25D06 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.371 | 0.783500K: 0.783 | 63.8middle or higher | stablePP difference 2.4% | 235.57 km2,861 vertices · 1 part · 0 holes |
| UT · State House District 62GEOID 49062 · effective 2024-01-01 | State legislative lower chamber | 0.362500K: 0.371 | 0.748500K: 0.748 | 58.8middle or higher | stablePP difference 2.4% | 40.375 km447 vertices · 1 part · 0 holes |
| WV · Delegate District 90GEOID 54090 · effective 2024-01-01 | State legislative lower chamber | 0.362500K: 0.371 | 0.810500K: 0.811 | 58.9middle or higher | stablePP difference 2.5% | 130.55 km3,441 vertices · 1 part · 0 holes |
| RI · State Senate District 15GEOID 44015 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.364 | 0.734500K: 0.734 | 63.8middle or higher | stablePP difference 0.5% | 18.3 km363 vertices · 1 part · 0 holes |
| TN · State Senate District 11GEOID 47011 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.370 | 0.871500K: 0.871 | 63.9middle or higher | stablePP difference 2.3% | 200.895 km4,124 vertices · 1 part · 0 holes |
| NC · State House District 62GEOID 37062 · effective 2024-01-01 | State legislative lower chamber | 0.362500K: 0.369 | 0.851500K: 0.851 | 58.9middle or higher | stablePP difference 1.9% | 119.765 km1,888 vertices · 1 part · 0 holes |
| VA · State Senate District 23GEOID 51023 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.344 | 0.735500K: 0.698 | 63.9middle or higher | stablePP difference 5.0% | 124.825 km1,328 vertices · 1 part · 0 holes |
| WY · State House District 61GEOID 56061 · effective 2024-01-01 | State legislative lower chamber | 0.362500K: 0.367 | 0.697500K: 0.700 | 58.9middle or higher | stablePP difference 1.4% | 13.961 km373 vertices · 1 part · 0 holes |
| NV · State Senate District 6GEOID 32006 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.365 | 0.790500K: 0.790 | 64.0middle or higher | stablePP difference 0.7% | 48.059 km1,169 vertices · 1 part · 0 holes |
| MD · State Senate District 30GEOID 24030 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.195 | 0.840500K: 0.716 | 64.0middle or higher | resolution sensitivePP difference 46.1% | 144.463 km2,099 vertices · 1 part · 0 holes |
| KY · State House District 35GEOID 21035 · effective 2024-01-01 | State legislative lower chamber | 0.362500K: 0.373 | 0.834500K: 0.835 | 58.9middle or higher | stablePP difference 2.9% | 45.345 km1,114 vertices · 1 part · 0 holes |
| NH · State House District Merrimack 15GEOID 33615 · effective 2024-01-01 | State legislative lower chamber | 0.362500K: 0.365 | 0.714500K: 0.715 | 58.9middle or higher | stablePP difference 0.9% | 25.602 km301 vertices · 1 part · 0 holes |
| OK · State House District 23GEOID 40023 · effective 2024-01-01 | State legislative lower chamber | 0.362500K: 0.384 | 0.837500K: 0.838 | 59.0middle or higher | stablePP difference 5.6% | 99.01 km3,030 vertices · 1 part · 0 holes |
| MI · State Senate District 30GEOID 26030 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.366 | 0.740500K: 0.740 | 64.1middle or higher | stablePP difference 1.0% | 179.71 km1,192 vertices · 1 part · 0 holes |
| NY · State Senate District 21GEOID 36021 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.369 | 0.802500K: 0.802 | 64.1middle or higher | stablePP difference 1.7% | 27.036 km253 vertices · 1 part · 0 holes |
| WI · Assembly District 40GEOID 55040 · effective 2024-01-01 | State legislative lower chamber | 0.362500K: 0.363 | 0.720500K: 0.720 | 59.0middle or higher | stablePP difference 0.3% | 252.794 km2,121 vertices · 1 part · 0 holes |
| IL · State House District 63GEOID 17063 · effective 2024-01-01 | State legislative lower chamber | 0.362500K: 0.367 | 0.762500K: 0.762 | 59.0middle or higher | stablePP difference 1.4% | 106.674 km1,940 vertices · 1 part · 0 holes |
| MS · State Senate District 6GEOID 28006 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.364 | 0.866500K: 0.867 | 64.2middle or higher | stablePP difference 0.4% | 166.929 km2,568 vertices · 1 part · 0 holes |
| NY · State Senate District 31GEOID 36031 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.370 | 0.841500K: 0.841 | 64.2middle or higher | stablePP difference 2.0% | 25.395 km318 vertices · 1 part · 0 holes |
| IL · State Senate District 27GEOID 17027 · effective 2024-01-01 | State legislative upper chamber | 0.362500K: 0.368 | 0.775500K: 0.775 | 64.3middle or higher | stablePP difference 1.5% | 61.634 km1,604 vertices · 1 part · 0 holes |
| WV · Delegate District 36GEOID 54036 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.416 | 0.898500K: 0.899 | 59.0middle or higher | stablePP difference 12.9% | 216.241 km6,274 vertices · 1 part · 0 holes |
| ME · State House District 77GEOID 23077 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.374 | 0.790500K: 0.791 | 59.0middle or higher | stablePP difference 3.1% | 132.516 km1,550 vertices · 1 part · 0 holes |
| NY · Assembly District 14GEOID 36014 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.374 | 0.756500K: 0.745 | 59.0middle or higher | stablePP difference 2.9% | 76.244 km715 vertices · 1 part · 0 holes |
| PA · State House District 195GEOID 42195 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.370 | 0.767500K: 0.767 | 59.1middle or higher | stablePP difference 2.0% | 16.003 km270 vertices · 1 part · 0 holes |
| MT · State House District 46GEOID 30046 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.378 | 0.701500K: 0.703 | 59.1middle or higher | stablePP difference 4.1% | 14.23 km440 vertices · 1 part · 0 holes |
| CT · State House District 125GEOID 09125 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.381 | 0.772500K: 0.773 | 59.1middle or higher | stablePP difference 4.8% | 48.405 km1,401 vertices · 1 part · 0 holes |
| PA · State House District 40GEOID 42040 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.381 | 0.778500K: 0.779 | 59.1middle or higher | stablePP difference 4.6% | 56.936 km1,574 vertices · 1 part · 0 holes |
| IA · State House District 1GEOID 19001 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.373 | 0.700500K: 0.703 | 59.1middle or higher | stablePP difference 2.7% | 35.976 km752 vertices · 1 part · 0 holes |
| NC · State House District 92GEOID 37092 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.367 | 0.742500K: 0.746 | 59.2middle or higher | stablePP difference 1.0% | 80.3 km1,431 vertices · 1 part · 0 holes |
| VA · State House District 50GEOID 51050 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.377 | 0.841500K: 0.841 | 59.2middle or higher | stablePP difference 3.5% | 455.11 km8,636 vertices · 1 part · 0 holes |
| NY · State Senate District 55GEOID 36055 · effective 2024-01-01 | State legislative upper chamber | 0.363500K: 0.359 | 0.916500K: 0.821 | 64.3middle or higher | resolution sensitivePP difference 1.2% | 201.415 km1,851 vertices · 1 part · 0 holes |
| NV · Assembly District 13GEOID 32013 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.364 | 0.749500K: 0.748 | 59.2middle or higher | stablePP difference 0.3% | 37.546 km564 vertices · 1 part · 0 holes |
| NY · Assembly District 64GEOID 36064 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.180 | 0.771500K: 0.548 | 59.2middle or higher | resolution sensitivePP difference 50.5% | 58.42 km564 vertices · 1 part · 0 holes |
| NM · State House District 56GEOID 35056 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.369 | 0.787500K: 0.787 | 59.3middle or higher | stablePP difference 1.5% | 761.284 km5,885 vertices · 1 part · 0 holes |
| AR · State House District 22GEOID 05022 · effective 2024-01-01 | State legislative lower chamber | 0.363500K: 0.370 | 0.815500K: 0.815 | 59.3middle or higher | stablePP difference 1.8% | 53.577 km678 vertices · 1 part · 0 holes |
| HI · State House District 36GEOID 15036 · effective 2024-01-01 | State legislative lower chamber | 0.364500K: 0.430 | 0.784500K: 0.792 | 59.3middle or higher | stablePP difference 15.5% | 13.039 km476 vertices · 1 part · 0 holes |
| DE · State Senate District 18GEOID 10018 · effective 2024-01-01 | State legislative upper chamber | 0.364500K: 0.465 | 0.748500K: 0.798 | 64.4middle or higher | resolution sensitivePP difference 21.7% | 166.223 km2,288 vertices · 1 part · 0 holes |
| MO · State Senate District 17GEOID 29017 · effective 2024-01-01 | State legislative upper chamber | 0.364500K: 0.369 | 0.771500K: 0.772 | 64.4middle or higher | stablePP difference 1.4% | 101.299 km1,054 vertices · 1 part · 0 holes |
| KY · State Senate District 23GEOID 21023 · effective 2024-01-01 | State legislative upper chamber | 0.364500K: 0.372 | 0.794500K: 0.794 | 64.5middle or higher | stablePP difference 2.1% | 73.748 km1,613 vertices · 1 part · 0 holes |
| OK · State House District 21GEOID 40021 · effective 2024-01-01 | State legislative lower chamber | 0.364500K: 0.376 | 0.828500K: 0.829 | 59.3middle or higher | stablePP difference 3.3% | 184.398 km2,342 vertices · 1 part · 0 holes |
| CO · State House District 62GEOID 08062 · effective 2024-01-01 | State legislative lower chamber | 0.364500K: 0.370 | 0.752500K: 0.752 | 59.3middle or higher | stablePP difference 1.5% | 893.665 km7,023 vertices · 1 part · 0 holes |
| MO · State House District 116GEOID 29116 · effective 2024-01-01 | State legislative lower chamber | 0.364500K: 0.372 | 0.821500K: 0.821 | 59.4middle or higher | stablePP difference 2.2% | 197.536 km2,457 vertices · 1 part · 0 holes |
| NH · State House District Belknap 05GEOID 33005 · effective 2024-01-01 | State legislative lower chamber | 0.364500K: 0.377 | 0.833500K: 0.834 | 59.4middle or higher | stablePP difference 3.4% | 46.798 km729 vertices · 1 part · 0 holes |
| WA · Legislative (Senate) District 10GEOID 53010 · effective 2024-01-01 | State legislative upper chamber | 0.364500K: 0.051 | 0.763500K: 0.466 | 64.5middle or higher | resolution sensitivePP difference 86.0% | 264.112 km2,561 vertices · 1 part · 0 holes |
| WA · Legislative (House) District 10GEOID 53010 · effective 2024-01-01 | State legislative lower chamber | 0.364500K: 0.051 | 0.763500K: 0.466 | 59.4middle or higher | resolution sensitivePP difference 86.0% | 264.112 km2,561 vertices · 1 part · 0 holes |
| ME · State House District 58GEOID 23058 · effective 2024-01-01 | State legislative lower chamber | 0.364500K: 0.390 | 0.764500K: 0.764 | 59.4middle or higher | stablePP difference 6.6% | 145.386 km2,556 vertices · 1 part · 0 holes |
| GA · State House District 166GEOID 13166 · effective 2024-01-01 | State legislative lower chamber | 0.364500K: 0.222 | 0.824500K: 0.725 | 59.4middle or higher | resolution sensitivePP difference 39.0% | 197.206 km1,540 vertices · 1 part · 0 holes |
| KS · State Senate District 6GEOID 20006 · effective 2024-01-01 | State legislative upper chamber | 0.364500K: 0.370 | 0.734500K: 0.735 | 64.6middle or higher | stablePP difference 1.6% | 67.009 km931 vertices · 1 part · 0 holes |
| VA · State House District 19GEOID 51019 · effective 2024-01-01 | State legislative lower chamber | 0.364500K: 0.222 | 0.801500K: 0.712 | 59.5middle or higher | resolution sensitivePP difference 39.0% | 71.487 km2,426 vertices · 1 part · 0 holes |
| OK · State Senate District 25GEOID 40025 · effective 2024-01-01 | State legislative upper chamber | 0.364500K: 0.365 | 0.723500K: 0.723 | 64.6middle or higher | stablePP difference 0.3% | 102.534 km1,108 vertices · 1 part · 0 holes |
| UT · State House District 33GEOID 49033 · effective 2024-01-01 | State legislative lower chamber | 0.364500K: 0.376 | 0.755500K: 0.756 | 59.5middle or higher | stablePP difference 3.0% | 63.513 km1,169 vertices · 1 part · 0 holes |
| CA · Congressional District 27GEOID 0627 · effective 2024-01-01 | U.S. House | 0.364500K: 0.378 | 0.894500K: 0.894 | 75.5middle or higher | stablePP difference 3.7% | 369.552 km5,170 vertices · 1 part · 0 holes |
| HI · State Senate District 8GEOID 15008 · effective 2024-01-01 | State legislative upper chamber | 0.364500K: 0.319 | 0.576500K: 0.427 | 64.7middle or higher | resolution sensitivePP difference 12.3% | 336.779 km454 vertices · 3 parts · 0 holes |
| CT · State Senate District 6GEOID 09006 · effective 2024-01-01 | State legislative upper chamber | 0.364500K: 0.367 | 0.776500K: 0.776 | 64.7middle or higher | stablePP difference 0.6% | 63.231 km810 vertices · 1 part · 0 holes |
How the measures work
Two measures, one stability guard.
- Polsby–Popper
- 4π × area ÷ perimeter². A circle approaches 1. Coastline and boundary detail can sharply increase perimeter.
- Convex-hull ratio
- District area divided by its local equal-area convex hull. Disconnected or deeply concave shapes score lower.
- Resolution guard
- Detailed and 1:500,000 values are labeled stable only when their relative differences stay within 20% and 10%, respectively.
Election-result boundary
Outcome relationships are not calculated yet.
The repository does not yet contain a nationwide certified, same-plan-vintage district result set. Compactness is not joined to election outcomes across mismatched plans or geography.
That guard prevents district results from being compared against a different plan vintage or geography.
Source provenance
U.S. Census Bureau TIGERweb
Six retained and hash-pinned GeoJSON collections cover detailed and generalized versions of each district type.
- congressional · detailed 444 source features
- congressional · generalized 500k 441 source features
- state upper · detailed 1,964 source features
- state upper · generalized 500k 1,960 source features
- state lower · detailed 4,879 source features
- state lower · generalized 500k 4,874 source features