Douglas County's 2026 population is estimated at 123,609, reflecting a 0.66% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Douglas County is the 5th largest county in Kansas. The 2010 population was 111,204 and has grown 11.16% since 2010.
Data after 2023 is projected based on recent change
Overall: 31.6 years
Female: 32.1 years
Male: 31.1 years
There are 99,189 adults, (16,722 of whom are seniors) in Douglas County.
Female: 60,646 (50.4%)
Male: 59,656 (49.6%)
The racial composition of Douglas County includes 78.07% White, 4.37% Black or African American, 4.33% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 93,924 | 78.07% |
| Two or more races | 12,488 | 10.38% |
| Black or African American | 5,260 | 4.37% |
| Asian | 5,207 | 4.33% |
| Other race | 1,858 | 1.54% |
| Native American | 1,549 | 1.29% |
| Native Hawaiian or Pacific Islander | 16 | 0.01% |
Douglas County 's average per capita income is $51,986. Household income levels show a median of $69,746. The poverty rate stands at 14.73%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $123,828 | - |
| Families | $108,172 | $132,196 |
| Households | $69,746 | $96,109 |
| Non Families | $41,396 | $54,241 |
Average Income
Median Household Income
Poverty Rate
