Benton County Flag

Benton County

State:
Iowa
County Seat:
Vinton

Benton County's estimated 2025 population is 25,904 with a growth rate of 0.21% in the past year according to the most recent United States census data. Benton County is the 24th largest county in Iowa. The 2010 population was 26,049 and has seen a growth of -0.56% since that time.

25,904
Total Population
36
Population Density (mi²)
24
Population Rank (State)
54 0.21%
Annual Population Growth

Benton County Population

Demographics

Economics and Income Statistics