Municipal · Colorado

City of Thornton

Thornton is a home rule city located in Adams and Weld counties, Colorado, United States. The city population was 141,867, all in Adams County, at the 2020 United States census, an increase of 19.44% since the 2010 United States census. Thornton is the sixth-most-populous city in Colorado and the 191st-most-populous city in the United States. Thornton is 10 miles (16 km) north of the Colorado State Capitol in Denver and is a part of the Denver-Aurora-Greeley, CO Combined Statistical Area and the Front Range Urban Corridor.

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City Council Primary
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Reference data (Census of Governments 2022)

Census ID (PID6): 161328
FIPS state: 08
FIPS county: 001
FIPS place: 77290
Census record name: CITY OF THORNTON
Mailing address: 9500 CIVIC CENTER DR, THORNTON 80229