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Where am ILOCATED

Weld County, Colorado

Weld County, Colorado, has 378,426 residents (July 2025 estimate). Its county seat is Greeley. It uses Mountain Time and covers 3,985 sq mi (10,321 km²) of land.

DenverColorado SpringsAurora
Weld County in Colorado
Boulder CountyLarimer CountyMorgan CountyGreeleyLongmont
Weld County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
378,426
Land area
3,985 sq mi (10,321 km²)
County seat or government
Greeley
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$97,097 ± $2,383
Median home value
$471,700 ± $4,027
Median rent, with utilities
$1,539 ± $41
Homes lived in by their owners
76% ± 0.9 points
County type
County
Metro or micro area
Greeley, CO metro areaCentral county
Water area
31.8 sq mi (82.3 km²)
State
Colorado
County code (FIPS)
08123
Coordinates (central point)
40.555961, -104.383666
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 Weld 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. 8063465,622 people
  2. 8050463,451 people
  3. 8063153,722 people
  4. 8055046,456 people
  5. 8053744,425 people
  6. 8060142,127 people
  7. 8052440,030 people
  8. 8051639,048 people
  9. 8062020,798 people
  10. 8053420,502 people
  11. 8051318,271 people
  12. 8060316,811 people
All 43
  1. 8062115,060 people
  2. 8054914,325 people
  3. 805439,774 people
  4. 806159,060 people
  5. 805146,721 people
  6. 805306,242 people
  7. 805425,155 people
  8. 806435,119 people
  9. 806454,917 people
  10. 806514,837 people
  11. 806424,466 people
  12. 806104,132 people
  13. 806543,657 people
  14. 806502,192 people
  15. 806442,124 people
  16. 820821,891 people
  17. 805201,140 people
  18. 806231,026 people
  19. 80648902 people
  20. 80624685 people
  21. 80611557 people
  22. 80612494 people
  23. 80729350 people
  24. 80652299 people
  25. 80622282 people
  26. 80546271 people
  27. 80649263 people
  28. 80742204 people
  29. 80754141 people
  30. 8073242 people
  31. 806460 people

43 ZIP Code areas overlap Weld 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 Weld County, largest first

  1. St. Vrain Valley School District RE 1J200,423 people
  2. Thompson School District R-2J132,014 people
  3. Greeley School District 6130,881 people
  4. School District 27J122,065 people
  5. Windsor School District RE-448,383 people
  6. Johnstown-Milliken School District RE-5J25,735 people
  7. Weld County School District RE-3J17,971 people
  8. Weld County School District RE-816,071 people
  9. Weld County School District RE-110,522 people
  10. Weld County School District No. RE-210,474 people
  11. Ault-Highland School District RE-98,027 people
  12. Wiggins School District RE-50J3,917 people
All 17
  1. Platte Valley School District RE-73,905 people
  2. Weldon Valley School District RE-20J883 people
  3. Briggsdale School District RE-10572 people
  4. Pawnee School District RE-12399 people
  5. Prairie School District RE-11351 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. Thornton, Colorado (city)144,187 people
  2. Greeley, Colorado (city)110,806 people
  3. Longmont, Colorado (city)99,406 people
  4. Brighton, Colorado (city)42,059 people
  5. Northglenn, Colorado (city)38,014 people
  6. Windsor, Colorado (town)37,914 people
  7. Erie, Colorado (town)33,808 people
  8. Evans, Colorado (city)22,396 people
  9. Johnstown, Colorado (town)18,883 people
  10. Firestone, Colorado (town)18,049 people
  11. Frederick, Colorado (town)16,651 people
  12. Berthoud, Colorado (town)12,411 people
All 34
  1. Severance, Colorado (town)10,130 people
  2. Timnath, Colorado (town)8,941 people
  3. Fort Lupton, Colorado (city)8,897 people
  4. Milliken, Colorado (town)8,871 people
  5. Lochbuie, Colorado (town)8,609 people
  6. Dacono, Colorado (city)6,530 people
  7. Mead, Colorado (town)5,919 people
  8. Eaton, Colorado (town)5,867 people
  9. La Salle, Colorado (town)3,061 people
  10. Platteville, Colorado (town)2,928 people
  11. Ault, Colorado (town)2,425 people
  12. Keenesburg, Colorado (town)2,347 people
  13. Hudson, Colorado (town)2,006 people
  14. Aristocrat Ranchettes, Colorado (CDP)1,747 people
  15. Pierce, Colorado (town)1,201 people
  16. Kersey, Colorado (town)1,064 people
  17. Gilcrest, Colorado (town)1,026 people
  18. Garden City, Colorado (town)401 people

See all 34 cities, towns and communities in Weld County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Morgan County, Colorado36 mi southeast
  2. Adams County, Colorado47 mi south
  3. Laramie County, Wyoming53 mi north
  4. Broomfield County, Colorado54 mi southwest
  5. Kimball County, Nebraska57 mi northeast
  6. Larimer County, Colorado58 mi west
  7. Boulder County, Colorado62 mi southwest
  8. Logan County, Colorado69 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.