Cleveland County Flag

Cleveland County

State:
Oklahoma
County Seat:
Norman

Cleveland County's 2026 population is estimated at 304,545, reflecting a 0.19% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cleveland County is the 3rd largest county in Oklahoma. The 2010 population was 257,094 and has grown 18.46% since 2010.

304,545
Total Population
565
Population Density (mi²)
3
Population Rank (State)
572 0.19%
Annual Population Growth

Cleveland County Population

Demographics

Economics and Income Statistics