{"data":{"aliases":["Polk"],"advisoryIndicators":[{"detail":"Bigger local reporting-unit vote totals move with candidate vote share strongly enough to pass the native review threshold. This is an advisory review flag, not proof of tampering.","electionYear":2024,"id":"14fa669a-dc05-4807-8716-82849c4ebf5c","jurisdictionCode":"IA-POLK","jurisdictionName":"Polk","jurisdictionTag":"county:19153","label":"Vote-share pattern","level":"county","metrics":{"county":"Polk","rowCount":176,"scopeType":"county","demOutliers":0,"repOutliers":0,"auditContext":null,"outlierTrigger":9,"trumpCorrelation":0.5201056415613112,"demAverageDropoff":0.3034755681818181,"harrisCorrelation":0.46502074591416437,"repAverageDropoff":0.8941198863636363,"denominatorContext":null,"comparisonCoverageMode":"presidentVsUSHouse","directionalScreenReason":"U.S. House races are district- and candidate-specific controls","directionalScreenConfidence":"low","comparableDownBallotRowCount":176,"incomparableDownBallotRowCount":0},"severity":1.9331,"state":"IA","summary":"Vote-share correlation crossed threshold: Trump r=0.520, Harris r=0.465.","type":"vote_share_pattern"}],"caveats":[],"confidence":{"level":"proxy","label":"Contextual proxy","shortLabel":"Proxy","description":"The value is contextual or supplemental and should not be treated as a silent replacement for an official certified total.","caveat":"Secondary normalized historical baseline used for context only. 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Do not infer every precinct or ballot mode used one identical setup.","uniformityWarningRequired":true,"usage":"county_context","vendor":"Unisyn","confidence":{"level":"proxy","label":"Contextual proxy","shortLabel":"Proxy","description":"The value is contextual or supplemental and should not be treated as a silent replacement for an official certified total.","caveat":"Verifier row is a county-level summary. polling-place system reports multiple values: Hand marked paper ballots, BMDs for accessibility; accessible voting system differs from standard polling-place system; absentee system differs from standard polling-place system. Do not infer every precinct or ballot mode used one identical setup."}}],"fips":"19153","geographyLevel":"county","geometrySource":"ia-counties.geojson","history":[{"available":true,"demSharePct":51.74,"demVotes":119804,"leader":"Democratic","marginPct":11.36,"marginVotes":26312,"otherVotes":18259,"repSharePct":40.38,"repVotes":93492,"totalVotes":231555,"candidateLabels":{"dem":"Hillary Clinton","rep":"Donald Trump"},"caveats":["Secondary normalized historical baseline used for context only. Individual rows carry the per-year page URL; use these rows as historical context, not as 2024 certified data or a replacement for official Iowa Secretary of State results."],"confidence":{"level":"proxy","label":"Contextual proxy","shortLabel":"Proxy","description":"The value is contextual or supplemental and should not be treated as a silent replacement for an official certified total.","caveat":"Secondary normalized historical baseline used for context only. Individual rows carry the per-year page URL; use these rows as historical context, not as 2024 certified data or a replacement for official Iowa Secretary of State results."},"source":{"authority":"Wikipedia county presidential tables with state election office source footnotes","category":"Historical county presidential baseline rows","confidence":"Secondary normalized historical baseline used for context only. 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