Cleveland County Flag

Cleveland County

State:
Oklahoma
County Seat:
Norman

Cleveland County's estimated 2026 population is 304,545 with a growth rate of 0.19% in the past year according to the most recent United States census data. Cleveland County is the 3rd largest county in Oklahoma. The 2010 population was 257,094 and has seen a growth of 18.46% since that time.

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