Yuma County Flag

Yuma County

State:
Arizona
County Seat:
Yuma

Yuma County's 2026 population is estimated at 230,034, reflecting a 2.16% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Yuma County is the 6th largest county in Arizona. The 2010 population was 197,148 and has grown 16.68% since 2010.

230,034
Total Population
42
Population Density (mi²)
6
Population Rank (State)
4.9K 2.16%
Annual Population Growth

Yuma County Population

Demographics

Economics and Income Statistics