COUNTY · MO
St. Francois County, Missouri
St. Francois County is a county in Missouri with FIPS code 29187 and an estimated population of 67,058 (Census 2023), 17th largest of 115 in the state.
County facts
- Name
- St. Francois County
- State
- Missouri
- Type
- county
- FIPS code
- 29187
- State FIPS
- 29
- Population (2023)
- 67,058
- Change since 2020
- +0.9%
- State rank
- 17 of 115
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for St. Francois County?
St. Francois County, Missouri has the five-digit FIPS code 29187: 29 for the state and 187 for the county.
What state is St. Francois County in?
St. Francois County is in Missouri.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.