Weld County, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 8th-largest in Colorado
The population of Weld County, Colorado is 340,711 as of the 2023 American Community Survey, making it the 8th-largest county in Colorado. The median household income is $93,287, the median home value is $444,500, and the median age is 35.2.
The population of Weld County has grown 45.4% since 2010 (254,224 → 369,745), a +2.71% annualized rate.
340,711
Population
+2.71%
Annual growth
85
People / sq mi
$93,287
Median Income
$444,500
Median Home Value
Weld County covers 3,985 sq mi of land at 85.5 people per square mile.
About Weld County, CO
Weld County is a county in Colorado with a population of 340,711. It ranks #8 among counties in Colorado by population. The median age is 35.2, younger than the national median. The population is 50.8% male and 49.2% female.
The median household income in Weld County is $93,287, above the US median of $74,580. 6.0% of residents live below the federal poverty level. Home values sit at a median of $444,500, with monthly rent averaging $1,469. The homeownership rate of 75.5% is higher than the national rate of 64.8%.
Educational attainment in Weld County reflects 32.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 13.2% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 28.3 minutes each way.
Weld County Population History (2010-2024)
The county of Weld County had a population of 254,224 in 2010 and 369,745 in 2024, a 45.4% growth over 14 years. The peak was 369,745 in 2024. Average annual growth rate: 2.71%.
369,745
Population (2024)
254,224
Population (2010)
369,745
Peak (2024)
2.71%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 254,224 |
| 2011 | 258,867 |
| 2012 | 264,025 |
| 2013 | 270,105 |
| 2014 | 277,480 |
| 2015 | 286,493 |
| 2016 | 296,330 |
| 2017 | 306,571 |
| 2018 | 315,360 |
| 2019 | 324,703 |
| 2020 | 331,467 |
| 2021 | 339,942 |
| 2022 | 350,610 |
| 2023 | 360,216 |
| 2024 | 369,745 |
Race & Ethnicity
| White | 76.0% |
| Black or African American | 1.4% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 3.0% |
| Two or More Races | 0.0% |
Age & Sex
35.2
Median Age
49.2%
Female
50.8%
Male
12.6%
Age 65+
Age Distribution
Children (under 15): 21.3% · Seniors (65+): 12.6%
Income & Poverty
| Median household income | $93,287+$817 vs state |
| Mean household income | $114,623 |
| Per-capita income | $41,661 |
| Poverty rate | 6.0%+0.1% vs state |
| Unemployment rate | 3.3% |
| Employment-to-population | 66.4% |
Top Industries by Employment
The largest employment sector in Weld County is professional & business services, accounting for 20.1% of workers.
How residents commute
0.4%
Drive alone
1.6%
Carpool
73.6%
Public transit
13.2%
Work from home
28.3 min
Avg commute
Housing
$444,500$-57,700 vs state
Median home value
$1,469
Median rent
75.5%
Homeownership rate
125,033
Total housing units
96.0%
Occupied
4.0%
Vacant
24.5%
Renter-occupied
Social & access
91.5%
With health insurance
96.9%
With broadband internet
36.4%
Foreign-born
6.9%
Veterans (18+)
11.3%
With a disability
81.1%
Speak language other than English at home
Education
88.5%
High School+
32.0%
Bachelor's+
Largest cities in Colorado
Other counties in Colorado
Part of Colorado
Metro areas in Colorado
County rankings
Frequently Asked Questions
Weld County, Colorado has a population of 340,711 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 8th-largest county in Colorado. Population density is 85 people per square mile.
The population of Weld County has grown 45.4% since 2010 (254,224 → 369,745), a +2.71% annualized rate.
The median household income in Weld County, Colorado is $93,287, with mean (average) household income of $114,623 and per-capita income of $41,661. 6.0% of residents live below the federal poverty level.
In Weld County, the largest racial and ethnic groups are White (76.0%), Hispanic or Latino (3.0%), Black or African American (1.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Weld County, Colorado is 35.2 years. Residents are 49.2% female and 50.8% male.
The median home value in Weld County is $444,500 and median monthly rent is $1,469. 75.5% of occupied housing units are owner-occupied. The county has 125,033 total housing units, 4.0% of which are vacant.
The largest employment sector in Weld County, Colorado is professional, scientific, and management services, employing 20.1% of workers. The unemployment rate is 3.3%.
Denver is among the largest cities associated with Weld County, Colorado, with a population of 713,734.
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Statewide data for Colorado
Population, race, income, age, and trends across Colorado
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.