Coffey County's 2026 population is estimated at 8,359, reflecting a 0.35% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Coffey County is the 45th largest county in Kansas. The 2010 population was 8,585 and has grown -2.63% since 2010.
Data after 2023 is projected based on recent change
Overall: 44 years
Female: 44.6 years
Male: 43.5 years
There are 6,525 adults, (1,869 of whom are seniors) in Coffey County.
Female: 4,184 (50.4%)
Male: 4,124 (49.6%)
The racial composition of Coffey County includes 92.02% White, and smaller percentages for Asian, other race, Native American, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,645 | 92.02% |
| Two or more races | 411 | 4.95% |
| Asian | 77 | 0.93% |
| Other race | 65 | 0.78% |
| Native American | 58 | 0.7% |
| Black or African American | 52 | 0.63% |
Coffey County 's average per capita income is $46,038. Household income levels show a median of $70,346. The poverty rate stands at 10.74%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $98,864 | - |
| Families | $87,365 | $96,783 |
| Households | $70,346 | $86,957 |
| Non Families | $40,040 | $61,957 |
Average Income
Median Household Income
Poverty Rate