How many people live in ?

Updated annually
In 2025, there were 4.12 million people living in Oklahoma. That makes Oklahoma the 28th-most populous state, home to 1.2% of people living in the US.

4.12M

population of Oklahoma (2025)

1.2%

Oklahoma share of the US population (2025)
The population of Oklahoma was about 5.2 times higher than it was in 1900. Between 2024 and 2025, the population of Oklahoma grew by about 25,500 people.

About 4.12 million people lived in Oklahoma in 2025. That's about 5.2 times more than in 1900.

Annual population estimates

What are Oklahoma's age demographics?

About 691,900 Oklahoma residents were aged 65 and older in 2024. That represents 17% of the state’s population compared with 18% in the US overall.
Another 966,200 Oklahoma residents, or 23.7% of the state’s population, were aged under 18. For comparison, children account for 21.6% of the US population.

A lower share of Oklahoma's population is 65 and older than the US overall.

Population share by age group (2024)

What are Oklahoma's racial and ethnic demographics?

A state’s population may have racial and ethnic differences compared with the US overall. These figures reflect how people identified their race alone (not in combination with other races), and separate Hispanic or Latino ethnicity, following Census Bureau reporting standards.
Non-Hispanic white residents make up 61.9% of Oklahoma’s population, higher than the national share of 57.5%. Oklahoma also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (8.1%) than the US overall (0.72%).
In contrast, Oklahoma’s non-Hispanic Black or African American population accounted for 7.5%, below the 12.6% share nationwide. The Hispanic population makes up 13.5% of the state, compared with 20% nationally.

A higher share of Oklahoma's population is non-Hispanic American Indian and Alaska Native than the US overall.

Population share by race and ethnicity (2024)

What are Oklahoma's most populous counties?

In 2024, five out of 77 counties accounted for over half of Oklahoma's population:
  • Oklahoma County, 816,500 (19.9% of the population)
  • Tulsa County, 693,500 (16.9%)
  • Cleveland County, 304,000 (7.4%)
  • Canadian County, 181,800 (4.4%)
  • Comanche County, 121,400 (3%)

In 2024, Oklahoma County was the most populous county in Oklahoma.

Population estimates

What are Oklahoma's most populous cities?

The largest city in Oklahoma is Oklahoma City with about 712,900 residents in 2024.

Cities and counties in Oklahoma ranked by population

Cities and counties in Oklahoma ranked by population
1.

Oklahoma City

712,919
2.

Tulsa 

415,154
3.

Norman 

131,010
4.

Broken Arrow

122,756
5.

Edmond 

99,040
6.

Lawton 

90,027
7.

Moore 

63,845
8.

Midwest City

58,505
9.

Enid 

50,519
10.

Stillwater 

50,138

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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.