{"data":[{"jurisdictionTag":"county:06081","state":"CA","level":"county","geoid":"06081","fips":"06081","displayName":"San Mateo County","aliases":["San Mateo County","San Mateo"],"geometryKey":"SAN MATEO","source":"ca-counties.geojson","caveat":""}],"meta":{"generatedAt":"2026-09-27T21:26:59.501Z","source":"canonical-jurisdictions","releaseId":null,"schemaVersion":"1.0.0","rowCount":1,"hasMore":false,"limit":250,"offset":0,"total":1,"registryCountyEquivalentCount":3144,"contract":"county:<five-digit Census GEOID>"}}