Mahoning County Flag

Mahoning County

State:
Ohio
County Seat:
Youngstown

Mahoning County's estimated 2025 population is 224,944 with a growth rate of -0.14% in the past year according to the most recent United States census data. Mahoning County is the 13th largest county in Ohio. The 2010 population was 238,315 and has seen a growth of -5.61% since that time.

224,944
Total Population
547
Population Density (mi²)
13
Population Rank (State)
-326 -0.14%
Annual Population Growth

Mahoning County Population

Demographics

Economics and Income Statistics