Douglas County's estimated 2026 population is 405,741 with a growth rate of 1.59% in the past year according to the most recent United States census data. Douglas County is the 6th largest county in Colorado. The 2010 population was 287,011 and has seen a growth of 41.37% since that time.
Data after 2023 is projected based on recent change
Overall: 39.6 years
Female: 40.2 years
Male: 38.9 years
There are 288,852 adults, (52,473 of whom are seniors) in Douglas County.
Female: 187,268 (49.7%)
Male: 189,882 (50.3%)
The racial composition of Douglas County includes 79.9% White, 5.8% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 301,359 | 79.9% |
| Two or more races | 36,950 | 9.8% |
| Asian | 21,889 | 5.8% |
| Other race | 9,535 | 2.53% |
| Black or African American | 5,465 | 1.45% |
| Native American | 1,653 | 0.44% |
| Native Hawaiian or Pacific Islander | 299 | 0.08% |
Douglas County's average per capita income is $84,818. Household income levels show a median of $149,594. The poverty rate stands at 3.77%.
Name | Median | Mean |
|---|---|---|
| Married Families | $183,609 | $221,479 |
| Families | $171,592 | $207,792 |
| Households | $149,594 | $183,544 |
| Non Families | $83,498 | $104,999 |
Average Income
Median Household Income
Poverty Rate