Weld County's 2026 population is estimated at 388,803, reflecting a 2.51% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Weld County is the 7th largest county in Colorado. The 2010 population was 254,224 and has grown 52.94% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.3 years
Female: 35.5 years
Male: 35.2 years
There are 261,124 adults, (45,353 of whom are seniors) in Weld County.
Female: 172,498 (49.2%)
Male: 177,898 (50.8%)
The racial composition of Weld County includes 72.71% White, 8.63% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 254,790 | 72.71% |
| Two or more races | 50,232 | 14.34% |
| Other race | 30,229 | 8.63% |
| Asian | 5,766 | 1.65% |
| Black or African American | 5,193 | 1.48% |
| Native American | 3,797 | 1.08% |
| Native Hawaiian or Pacific Islander | 389 | 0.11% |
Weld County 's average per capita income is $57,499. Household income levels show a median of $97,097. The poverty rate stands at 9.58%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $126,727 | $147,629 |
| Families | $112,953 | $133,767 |
| Households | $97,097 | $118,627 |
| Non Families | $54,445 | $70,455 |
Average Income
Median Household Income
Poverty Rate
