Mahoning County Flag

Mahoning County

State:
Ohio
County Seat:
Youngstown

Mahoning County's estimated 2026 population is 225,382 with a growth rate of -0.09% 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 -5.43% since that time.

225,382
Total Population
548
Population Density (mi²)
13
Population Rank (State)
-202 -0.09%
Annual Population Growth

Mahoning County Population

Demographics

Economics and Income Statistics