Richland County Flag

Richland County

State:
Ohio
County Seat:
Mansfield

Richland County's estimated 2025 population is 124,670 with a growth rate of -0.16% in the past year according to the most recent United States census data. Richland County is the 23rd largest county in Ohio. The 2010 population was 124,156 and has seen a growth of 0.41% since that time.

124,670
Total Population
252
Population Density (mi²)
23
Population Rank (State)
-197 -0.16%
Annual Population Growth

Richland County Population

Demographics

Economics and Income Statistics