Pottawatomie County's 2026 population is estimated at 27,616, reflecting a 1.36% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Pottawatomie County is the 22nd largest county in Kansas. The 2010 population was 21,729 and has grown 27.09% since 2010.
Data after 2023 is projected based on recent change
Overall: 36.4 years
Female: 36.5 years
Male: 36.1 years
There are 18,647 adults, (4,020 of whom are seniors) in Pottawatomie County.
Female: 13,050 (49.8%)
Male: 13,154 (50.2%)
The racial composition of Pottawatomie County includes 89.15% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 23,362 | 89.15% |
| Two or more races | 1,894 | 7.23% |
| Black or African American | 434 | 1.66% |
| Other race | 271 | 1.03% |
| Asian | 112 | 0.43% |
| Native American | 105 | 0.4% |
| Native Hawaiian or Pacific Islander | 26 | 0.1% |
Pottawatomie County 's average per capita income is $56,110. Household income levels show a median of $92,325. The poverty rate stands at 6.66%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $116,099 | - |
| Families | $110,379 | $123,581 |
| Households | $92,325 | $105,915 |
| Non Families | $36,978 | $54,788 |
Average Income
Median Household Income
Poverty Rate