Franklin County's 2026 population is estimated at 108,880, reflecting a 0.75% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Franklin County is the 12th largest county in Missouri. The 2010 population was 101,424 and has grown 7.35% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.8 years
Female: 43.2 years
Male: 40.5 years
There are 82,257 adults, (20,343 of whom are seniors) in Franklin County.
Female: 52,882 (49.9%)
Male: 53,068 (50.1%)
The racial composition of Franklin County includes 89.33% 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 | 94,646 | 89.33% |
| Two or more races | 8,862 | 8.36% |
| Black or African American | 922 | 0.87% |
| Other race | 911 | 0.86% |
| Asian | 490 | 0.46% |
| Native American | 76 | 0.07% |
| Native Hawaiian or Pacific Islander | 43 | 0.04% |
Franklin County 's average per capita income is $49,573. Household income levels show a median of $73,165. The poverty rate stands at 8.16%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $102,149 | $119,724 |
| Families | $90,136 | $107,881 |
| Households | $73,165 | $92,432 |
| Non Families | $38,829 | $53,013 |
Average Income
Median Household Income
Poverty Rate