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Welcome to Adams County ...

Time Zone: Adams County lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time.

The community of Brighton is the Seat for Adams County.

Adams County was founded April 15, 1901 and was created by taking area from Arapahoe County.

From the Census Estimates for 2019, <1> Adams had a population of 516,575 people. This is an increase of 16.98% since the last Census (which gave a population of 441,603 people in 2010).

At the time of the 2010 Census, Adams represented 8.78% of the total population of Colorado.

Below are some of the communities located in Adams County:

  • Bennett
    (24 miles [38.6 km] to the east)
    • Jump to our Gazetteer entry for Bennett
    • Bennett is located in Adams County (CO)
    • Population from the 2020 Census: 3,017 people
    • Jump to TripAdvisor's Tourism page for Bennett <2>
  • Brighton
    (8 miles [12.9 km] to the north)
  • Commerce City
    (4 miles [6.4 km] to the east)
    • Note: The GPS coordinates that we are using for Commerce City have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Commerce City
    • Commerce City is located in Adams County (CO)
    • Population from the 2020 Census: 59,317 people
    • Jump to TripAdvisor's Tourism page for Commerce City <2>
  • Federal Heights
    (7 miles [11.3 km] to the west)
    • Note: The GPS coordinates that we are using for Federal Heights have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Federal Heights
    • Federal Heights is located in Adams County (CO)
    • Population from the 2020 Census: 13,598 people
    • Jump to TripAdvisor's Tourism page for Federal Heights <2>
  • Northglenn
    (6 miles [9.7 km] to the northwest)
    • Note: The GPS coordinates that we are using for Northglenn have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Northglenn
    • Northglenn is located in Adams County (CO)
    • Population from the 2020 Census: 38,845 people
    • Jump to TripAdvisor's Tourism page for Northglenn <2>
  • Thornton
    (5 miles [8 km] to the northwest)
    • Note: The GPS coordinates that we are using for Thornton have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Thornton
    • Thornton is located in Adams County (CO)
    • Population from the 2020 Census: 148,113 people
    • Jump to TripAdvisor's Tourism page for Thornton <2>
  • Westminster
    (9 miles [14.5 km] to the west)

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census. For more information, please visit the U.S. Census Bureau.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<3>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
 

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This page was last modified/updated: 26 Feb 2024