{"source":"U.S. Census Bureau 2025 Gazetteer Counties","sourceUrl":"https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2025_Gazetteer/2025_Gaz_counties_national.zip","retrievedAt":"2026-09-17T20:28:57.592152+00:00","sourceSha256":"4c90d0f805779923b5958ab13d0c1e9b99fe4932b786bfcf75dd739bb2dcb4ea","vintage":2025,"us50AndDcCount":3144,"puertoRicoCount":78,"populationSource":{"name":"U.S. Census Bureau Vintage 2025 county population estimates","url":"https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/totals/co-est2025-alldata.csv","asOf":"2025-07-01","matched":3144,"sha256":"4f5a499d851e2cb48fd7a5405e5a9235453a8a66933657aacd10df0e264f35d5"},"scope":"50 states, District of Columbia and Puerto Rico; no other U.S. territories in this file","count":3222,"json":"https://blbestate.com/county-data/counties.json","csv":"https://blbestate.com/county-data/counties.csv","lookupExamples":["/county-data/01001.json","/county-data/ct.json"],"fields":{"fips":"String; leading zeros preserved","population2025":"July 1, 2025 estimate; null for Puerto Rico","latitude":"Representative geographic point, not an address"},"purpose":"Use the county name and FIPS code to identify the correct jurisdiction before collecting parcel, assessor, recorder or court information. Compare this national reference with the separate property-data coverage directory."}