Franklin County's 2026 population is estimated at 26,373, reflecting a 0.19% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Franklin County is the 23rd largest county in Kansas. The 2010 population was 25,986 and has grown 1.49% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.7 years
Female: 40.3 years
Male: 38.9 years
There are 20,075 adults, (4,678 of whom are seniors) in Franklin County.
Female: 12,982 (49.7%)
Male: 13,124 (50.3%)
The racial composition of Franklin County includes 90.58% White, and smaller percentages for Black or African American, other race, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 23,647 | 90.58% |
| Two or more races | 1,603 | 6.14% |
| Black or African American | 279 | 1.07% |
| Other race | 223 | 0.85% |
| Native American | 161 | 0.62% |
| Asian | 160 | 0.61% |
| Native Hawaiian or Pacific Islander | 33 | 0.13% |
Franklin County 's average per capita income is $46,900. Household income levels show a median of $77,207. The poverty rate stands at 8.67%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $99,861 | - |
| Families | $92,323 | $100,080 |
| Households | $77,207 | $86,587 |
| Non Families | $37,646 | $48,070 |
Average Income
Median Household Income
Poverty Rate
