| Name | Franklin County |
| State | Missouri |
| FIPS Code | 29071 |
| County Seat | Union |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 106,444 |
| Population Growth Rate(2020-2024) | 1.65% |
| Majority Ethnicity | White 96.1% |
| Public School Majority Ethnicity | White 92% |
| Partisan Voting Index | Strongly Republican:+23 |
| Unemployment Rate (May 2026) | 4.3% |
| Sales Tax Rate (2025) | 7.48% |
| Area Code(s) | 636 / 235 / 573 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 96.1% |
| African American | 0.89% |
| Hispanic | 2.38% |
| Asian | 0.5% |
| Native American | 0.1% |
| Hawaiin/Pacific Islander | 0.04% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 91.59% |
| African American | 0.75% |
| Hispanic | 2.75% |
| Asian | 0.42% |
| Native American | 0.29% |
| Hawaiin/Pacific Islander | 0.14% |