Johnson County Flag

Johnson County

State:
Missouri
County Seat:
Warrensburg

Johnson County's estimated 2025 population is 55,988 with a growth rate of 0.92% in the past year according to the most recent United States census data. Johnson County is the 21st largest county in Missouri. The 2010 population was 52,689 and has seen a growth of 6.26% since that time.

55,988
Total Population
68
Population Density (mi²)
21
Population Rank (State)
513 0.92%
Annual Population Growth

Johnson County Population

Demographics

Economics and Income Statistics