How many people live in Cleveland County, OK?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 304,000 people living in Cleveland County, OK. That makes Cleveland County the third-most populous county in Oklahoma. It is home to 7.4% of people living in the state.
304K
population of Cleveland County, OK (2024)
7.4%
County share of the Oklahoma population (2024)
About 304,000 people lived in Cleveland County, OK in 2024.
Population estimates, 2000–2024
What are Cleveland County, OK’s age demographics?
About 48,300 Cleveland County residents are aged 65 and older in 2024. That represents 15.9% of its population. For comparison, the age group represents 17% of Oklahoma’s population and 18% in the US overall.
Another 59,800 Cleveland County residents, or 19.7% of the population, were children under 18. For comparison, the age group represents 23.7% of Oklahoma’s population and 21.6% in the US overall.
A higher share of Cleveland County, OK's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Cleveland County, OK’s racial and ethnic demographics?
Non-Hispanic white residents make up 66.9% of the Cleveland County population, higher than the national share of 57.5%. Cleveland County also has a larger share of people identifying as non-Hispanic two or more races (5.8%) than the US overall (2.5%).
In contrast, Cleveland County’s Hispanic population accounts for 11.7%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 5.8% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Cleveland County, OK has a higher share of a non-Hispanic white population than Oklahoma as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Cleveland County, OK is Norman with about 131,000 residents in 2024.
Cities and towns in Cleveland County, OK ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Norman | 131,010 |
| 2. | Oklahoma City (pt.) | 80,989 |
| 3. | Moore | 63,845 |
| 4. | Noble | 7,779 |
| 5. | Slaughterville | 4,324 |
| 6. | Lexington | 2,055 |
| 7. | Etowah | 165 |
| 8. | Purcell (pt.) | |
| 9. | Balance of Cleveland County | 13,785 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
