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
Housing cost is the defining feature of Weld County: the median home is valued at $444,500. With 340,711 residents, Weld County is a county in Colorado. That makes it one of the ten largest counties in Colorado in the country, at #8 by population.
Earnings sit at the high end: a median household income of $93,287, above the US median of $78,538. Only 6.0% of residents live in poverty, below the national 12.4%. Real estate commands a premium here — a median home value of $444,500, with typical rent around $1,469.
About 32.0% of adults 25 and older have a bachelor’s degree, below the 35.0% national figure. About 13.2% of workers primarily work from home, below the national 14.0%, and the average commute runs about 28 minutes each way.
High housing values reframe the income picture in Weld County — even solid earnings stretch less against home prices and rents at this level.
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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Full rankings of Colorado counties
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.