Cowley County's 2026 population is estimated at 34,068, reflecting a -0.17% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cowley County is the 16th largest county in Kansas. The 2010 population was 36,314 and has grown -6.18% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.2 years
Female: 39.8 years
Male: 38.4 years
There are 26,300 adults, (6,518 of whom are seniors) in Cowley County.
Female: 16,990 (49.4%)
Male: 17,421 (50.6%)
The racial composition of Cowley County includes 80.2% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 27,599 | 80.2% |
| Two or more races | 3,911 | 11.37% |
| Other race | 931 | 2.71% |
| Black or African American | 861 | 2.5% |
| Asian | 532 | 1.55% |
| Native American | 480 | 1.39% |
| Native Hawaiian or Pacific Islander | 97 | 0.28% |
Cowley County 's average per capita income is $40,621. Household income levels show a median of $57,878. The poverty rate stands at 14.26%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $89,055 | $105,715 |
| Families | $75,625 | $90,883 |
| Households | $57,878 | $81,245 |
| Non Families | $33,431 | $60,440 |
Average Income
Median Household Income
Poverty Rate
