County · Colorado
Weld County, Colorado
Weld County, Colorado. Weld County had 378,426 residents in 2025 by the Census Bureau's estimate, up 15.0% since 2020, faster than Colorado (+4.1%). It holds 34 places (32 cities, villages and boroughs and 2 census-designated) and 83 census tracts. GEOID 08123.
Weld County is the county of the Greeley, CO metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
378,426
Census Bureau estimate (no margin published)
2020 Census count: 328,981 · ACS 2020-2024: 350,396
Median household income
$97,097
±$2,383 (90% margin)
Colorado: $95,470
Median home value
$471,700
±$4,027 (90% margin)
Colorado: $539,400
Median gross rent
$1,539
±$41 (90% margin)
Colorado: $1,761
How many people live in Weld County, and is it growing?
The 2020 Census counted 328,981 residents in Weld County. The Census Bureau estimates 378,426 for July 1, 2025, up 15.0% since 2020, faster than Colorado (+4.1%). The 2020-2024 American Community Survey puts the population at 350,396 over 3,985 square miles of land.
| Measure | Weld County | Colorado | Change since 2015-2019 |
|---|---|---|---|
| Total population | 350,396 | 5,862,189 | +45,051 |
| Households | 124,287±667 | 2,374,218 | +19,616 |
| Average household size | 2.78±0.02 | 2.42 | −0.07 |
| Housing units | 129,637±75 | 2,589,053 | +20,467 |
Weld County's population since 2000
From 180,936 in 2000 to 378,426 in 2025: up 109.1%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Weld County?
Weld County holds 34 places: 32 cities, villages and boroughs (incorporated places) and 2 census-designated places. The largest is Greeley with 115,073 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Greeley | 108,795 | $69,881 |
|---|---|---|
| Windsor | 32,716 | $127,028 |
| Evans | 22,165 | $75,563 |
| Erie | 30,038 | $173,349 |
| Firestone | 16,381 | $120,150 |
| Frederick | 14,513 | $129,460 |
| Johnstown | 17,303 | $128,995 |
| Milliken | 8,386 | $107,500 |
| Lochbuie | 8,088 | $97,009 |
| Fort Lupton | 7,955 | $80,889 |
| Severance | 7,683 | $124,572 |
| Dacono | 6,297 | $104,559 |
| Eaton | 5,802 | $106,294 |
| Mead | 4,781 | $125,357 |
| Platteville | 2,955 | $74,500 |
| La Salle | 2,359 | $95,833 |
| Ault | 1,887 | $95,049 |
| Aristocrat Ranchettes | 1,715 | $83,689 |
| Hudson | 1,651 | $81,250 |
| Kersey | 1,495 | $68,281 |
| Longmont | 98,885 | $90,671 |
| Keenesburg | 1,250 | $83,950 |
| Pierce | 1,097 | $61,250 |
| GilcrestGEOID 0829955 | 1,029 | not published |
| Nunn | 504 | $111,875 |
| Brighton | 40,083 | $107,679 |
| Berthoud | 10,332 | $119,385 |
| Garden CityGEOID 0829185 | 254 | $41,250 |
| GroverGEOID 0833310 | 157 | not published |
| BriggsdaleGEOID 0808620 | 134 | not published |
| Raymer (New Raymer)GEOID 0863045 | 110 | $36,875 |
| Northglenn | 38,131 | $84,030 |
| Timnath | 6,487 | $178,257 |
| Thornton | 141,867 | $103,088 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Weld County?
The median resident of Weld County is 35.3 years old; 25.5% are under 18 and 12.9% are 65 or older. The largest group is non-Hispanic white residents at 62.0%, then Hispanic or Latino residents (of any race) at 31.0%. 9.1% of residents were born outside the United States.
| Measure | Weld County | Colorado | Change since 2015-2019 |
|---|---|---|---|
| Median age | 35.3±0.1 | 37.7 | +0.9 |
| Under 18 years | 25.5% | 21.0% | – |
| 65 years and over | 12.9%±0.1 pts | 15.6% | – |
| Hispanic or Latino (any race) | 31.0% | 22.5% | +1.6 pts |
| White alone, not Hispanic | 62.0%±0.3 pts | 64.8% | −3.6 pts |
| Black or African American alone, not Hispanic | 1.3%±0.1 pts | 3.8% | +0.2 pts |
| Asian alone, not Hispanic | 1.6%±0.1 pts | 3.2% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.3%±0.1 pts | 0.4% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 3.2%±0.3 pts | 4.6% | – |
| Some other race alone, not Hispanic | 0.5%±0.2 pts | 0.5% | – |
| Born outside the United States | 9.1%±0.5 pts | 9.8% | no clear change |
| Speak a language other than English at home (age 5+) | 19.1%±0.7 pts | 16.2% | – |
| Civilian veterans (age 18+) | 6.7%±0.5 pts | 7.5% | – |
| With a disability | 11.6%±0.5 pts | 11.4% | – |
| No health insurance coverage | 8.0%±0.6 pts | 7.7% | no clear change |
| High school graduate or higher (age 25+) | 88.7%±0.7 pts | 92.9% | – |
| Bachelor's degree or higher (age 25+) | 33.2%±0.9 pts | 45.7% | +5.7 pts |
| Graduate or professional degree (age 25+) | 12.0%±0.6 pts | 17.6% | – |
| Moved from another state in the past year | 2.8%±0.4 pts | 3.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Weld County earn?
Half of Weld County's 124,287 households earn less than $97,097 a year (±$2,383), against $95,470 in Colorado. In 2015-2019 the median was $91,256 in 2024 dollars, so it rose by $5,841 after inflation. 9.6% of residents live below the poverty line.
| Measure | Weld County | Colorado | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $97,097±$2,383 | $95,470 | +$5,841 |
| Mean household income | $118,627±$2,948 | $128,255 | – |
| Per capita income | $43,312±$965 | $52,636 | +$4,185 |
| People below the poverty line | 9.6%±0.8 pts | 9.4% | no clear change |
| Children under 18 below the poverty line | 11.0%±1.5 pts | 11.1% | no clear change |
| Households receiving SNAP | 9.1%±0.7 pts | 8.5% | – |
| Households with a broadband subscription | 92.7%±0.6 pts | 93.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Weld County?
Owners occupy 76.0% of Weld County's occupied homes and renters 24.0%. The median owner-occupied home is valued at $471,700 by its owner (±$4,027). The median renter pays $1,539 a month including utilities, and 45.5% of renters pay 35% or more of their income on rent.
| Measure | Weld County | Colorado | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $471,700±$4,027 | $539,400 | +$103,723 |
| Median gross rent | $1,539±$41 | $1,761 | +$204 |
| Renters paying 35% or more of income on rent | 45.5%±2.7 pts | 42.7% | +6.6 pts |
| Median monthly owner costs, with a mortgage | $2,276±$28 | $2,326 | – |
| Owner-occupied homes | 76.0%±0.9 pts | 66.2% | +3.1 pts |
| Housing units | 129,637±75 | 2,589,053 | +20,467 |
| Homeowner vacancy rate | 0.8%±0.3 pts | 0.8% | – |
| Rental vacancy rate | 6.1%±1.3 pts | 5.1% | – |
| Single-family detached homes | 73.3%±0.9 pts | 61.4% | – |
| Mobile homes | 6.1%±0.6 pts | 3.5% | – |
| Built 2020 or later | 6.7%±0.6 pts | 3.0% | – |
| Built 1939 or earlier | 6.6%±0.5 pts | 7.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Weld County building?
Builders took permits for 2,993 new housing units across Weld County in 2025 (2,011 single-family), 7.9 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Weld County get to work?
72.0% of Weld County's workers drive alone and 14.3% work from home. The average trip to work takes 27.9 minutes. The unemployment rate in 2020-2024 averaged 4.8%.
| Measure | Weld County | Colorado | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 69.8%±0.6 pts | 68.6% | – |
| Unemployment rate | 4.8%±0.5 pts | 4.6% | +0.7 pts |
| Drove alone to work | 72.0%±0.8 pts | 65.1% | – |
| Carpooled | 10.2%±0.8 pts | 7.7% | – |
| Public transportation | 0.2%±0.1 pts | 1.6% | – |
| Walked | 1.7%±0.3 pts | 2.5% | – |
| Worked from home | 14.3%±0.7 pts | 21.0% | +8.1 pts |
| Mean travel time to work | 27.9 min±0.5 | 25.2 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Weld County's census tracts?
Weld County is divided into 83 census tracts. Among those with a reliable estimate, median household income runs from $33,788 (Tract 1) to $211,875 (Tract 20.06).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Weld County compare with Colorado's other counties?
| Measure | Rank |
|---|---|
| Population | 8th of 64 |
| Growth 2020-2025 | 4th of 64 |
| Residents per square mile | 10th of 64 |
| Median household income | 12th of 64 |
| Median home value | 26th of 64 |
| Median gross rent | 21st of 63 |
| Poverty rate | 39th of 63 |
| Bachelor's degree or higher | 32nd of 64 |
| Median age | 60th of 64 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Weld County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.