May we count your visit with Google Analytics? It uses cookies and sends visit data to Google. You can change this any time under Cookie choices. Privacy

Where am ILOCATED

Adams County, Colorado

Adams County, Colorado, has 554,668 residents (July 2025 estimate). Its county seat is Brighton. It uses Mountain Time and covers 1,167 sq mi (3,022 km²) of land.

DenverColorado Springs
Adams County in Colorado
Arapahoe CountyDenver CountyAuroraThorntonCommerce City
Adams County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
554,668
Land area
1,167 sq mi (3,022 km²)
County seat or government
Brighton
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$94,571 ± $1,524
Median home value
$484,200 ± $3,903
Median rent, with utilities
$1,781 ± $21
Homes lived in by their owners
68.6% ± 0.8 points
County type
County
Metro or micro area
Denver-Aurora-Centennial, CO metro areaCentral county
Water area
16.8 sq mi (43.5 km²)
State
Colorado
County code (FIPS)
08001
Coordinates (central point)
39.874325, -104.331872
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Adams County

Time zoneLocal time and UTC offsetNext clock change
Mountain TimeAmerica/DenverUTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 8002261,452 people
  2. 8022955,092 people
  3. 8002054,201 people
  4. 8001153,695 people
  5. 8023348,441 people
  6. 8023944,956 people
  7. 8060244,783 people
  8. 8001042,439 people
  9. 8060142,127 people
  10. 8022139,718 people
  11. 8022037,203 people
  12. 8000335,976 people
All 35
  1. 8003135,584 people
  2. 8026034,677 people
  3. 8024134,082 people
  4. 8023429,356 people
  5. 8002327,143 people
  6. 8000221,270 people
  7. 8021220,746 people
  8. 8021617,330 people
  9. 8060316,811 people
  10. 8070116,226 people
  11. 8003015,427 people
  12. 8064013,818 people
  13. 800197,900 people
  14. 801026,690 people
  15. 801366,144 people
  16. 806435,119 people
  17. 806424,466 people
  18. 806543,657 people
  19. 801033,215 people
  20. 801052,182 people
  21. 801371,689 people
  22. 800451,676 people
  23. 8002433 people

35 ZIP Code areas overlap Adams County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Adams County, largest first

  1. Adams-Arapahoe School District 28J243,618 people
  2. Adams 12 Five Star Schools241,074 people
  3. School District 27J122,065 people
  4. Westminster Public School District71,668 people
  5. Adams County School District 1439,398 people
  6. Mapleton School District 134,045 people
  7. Weld County School District RE-3J17,971 people
  8. Bennett School District 29-J7,610 people
  9. Strasburg School District 31J6,175 people
  10. Wiggins School District RE-50J3,917 people
  11. Byers School District 32J3,144 people
  12. Deer Trail School District 26J1,712 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Aurora, Colorado (city)394,432 people
  2. Thornton, Colorado (city)144,187 people
  3. Arvada, Colorado (city)122,634 people
  4. Westminster, Colorado (city)115,484 people
  5. Commerce City, Colorado (city)66,445 people
  6. Brighton, Colorado (city)42,059 people
  7. Northglenn, Colorado (city)38,014 people
  8. Sherrelwood, Colorado (CDP)18,692 people
  9. Welby, Colorado (CDP)16,197 people
  10. Federal Heights, Colorado (city)14,125 people
  11. Berkley, Colorado (CDP)10,789 people
  12. Lochbuie, Colorado (town)8,609 people
All 20
  1. Derby, Colorado (CDP)8,453 people
  2. Twin Lakes, Adams County, Colorado (CDP)8,030 people
  3. Shaw Heights, Colorado (CDP)5,565 people
  4. Todd Creek, Colorado (CDP)5,379 people
  5. Bennett, Colorado (town)3,663 people
  6. Strasburg, Colorado (CDP)3,455 people
  7. Watkins, Colorado (CDP)847 people
  8. North Washington, Colorado (CDP)294 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Arapahoe County, Colorado16 mi south
  2. Denver County, Colorado30 mi west
  3. Broomfield County, Colorado38 mi west
  4. Morgan County, Colorado39 mi northeast
  5. Weld County, Colorado47 mi north
  6. Jefferson County, Colorado53 mi west
  7. Washington County, Colorado60 mi east

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.