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Adams County, Colorado
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Adams County, Colorado Map
A detailed map of Adams County. Click on a nearby County to view more information about that County. County boundaries are from the U.S. Census Bureau's 2025 TIGER/Line files.
Map of Counties in Colorado
An interactive map of Counties in Colorado. Click on a County to view more information about that County. County boundaries are from the U.S. Census Bureau's 2025 TIGER/Line files.
About Adams County, Colorado
Adams County is a county located in the U.S. state of Colorado. As of the 2020 United States census, the population was 519,572. The county seat is Brighton, and the largest city is Thornton. The county is named for Alva Adams, an early Governor of the State of Colorado in 1887–1889. Adams County is part of the Denver metropolitan area.
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Snow Totals in Adams County, Colorado
See recent snowfall, snow depth, and records for each city and town in Adams County, Colorado.
About this data
- State and county boundaries
- TIGER/Line Shapefiles: States, Counties and ZIP Code Tabulation Areas (2025), U.S. Census Bureau. Boundaries of states, counties and ZIP Code Tabulation Areas, the Census Bureau's areas for ZIP codes. Updated
- County subdivision boundaries
- TIGER/Line Shapefiles: County Subdivisions and Places (2024), U.S. Census Bureau. Boundaries of towns, townships, cities and villages. Updated
- County list
- Cartographic Boundary Files: Counties (2024), U.S. Census Bureau. County names and extents, with Wikipedia links from Wikidata. Updated