Trumbull County Flag

Trumbull County

State:
Ohio
County Seat:
Warren

Trumbull County's estimated 2026 population is 198,130 with a growth rate of -0.42% in the past year according to the most recent United States census data. Trumbull County is the 15th largest county in Ohio. The 2010 population was 209,838 and has seen a growth of -5.58% since that time.

198,130
Total Population
321
Population Density (mi²)
15
Population Rank (State)
-842 -0.42%
Annual Population Growth

Trumbull County Population

Demographics

Economics and Income Statistics