St. Francois County Flag

St. Francois County

State:
Missouri
County Seat:
Farmington

St. Francois County's 2026 population is estimated at 68,321, reflecting a 0.6% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). St. Francois County is the 17th largest county in Missouri. The 2010 population was 65,534 and has grown 4.25% since 2010.

68,321
Total Population
151
Population Density (mi²)
17
Population Rank (State)
409 0.6%
Annual Population Growth

St. Francois County Population

Demographics

Economics and Income Statistics