Woodbury County Flag

Woodbury County

State:
Iowa
County Seat:
Sioux City

Woodbury County's 2026 population is estimated at 108,683, reflecting a 0.66% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Woodbury County is the 7th largest county in Iowa. The 2010 population was 102,393 and has grown 6.14% since 2010.

108,683
Total Population
124
Population Density (mi²)
7
Population Rank (State)
713 0.66%
Annual Population Growth

Woodbury County Population

Demographics

Economics and Income Statistics