St. Francois County Flag

St. Francois County

State:
Missouri
County Seat:
Farmington

St. Francois County's estimated 2026 population is 68,169 with a growth rate of 0.53% in the past year according to the most recent United States census data. St. Francois County is the 17th largest county in Missouri. The 2010 population was 65,534 and has seen a growth of 4.02% since that time.

68,169
Total Population
151
Population Density (mi²)
17
Population Rank (State)
360 0.53%
Annual Population Growth

St. Francois County Population

Demographics

Economics and Income Statistics