Colorado » Adams County
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| Adams County | |
| 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. Adams County is part of the Denver. Adams County is home to the cities of Brighton, Commerce City, Federal Heights, Northglenn and Thornton. | |
