Mississippi County Flag

Mississippi County

State:
Missouri
County Seat:
Charleston

Mississippi County's estimated 2026 population is 12,058 with a growth rate of 0.46% in the past year according to the most recent United States census data. Mississippi County is the 76th largest county in Missouri. The 2010 population was 14,333 and has seen a growth of -15.87% since that time.

12,058
Total Population
29
Population Density (mi²)
76
Population Rank (State)
55 0.46%
Annual Population Growth

Mississippi County Population

Demographics

Economics and Income Statistics