Ranking of Oklahoma Counties By Population in 2021
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2021, the Population for Oklahoma was 3.99M. Among all Oklahoma counties, Oklahoma County had the highest population (799.96K), followed by Tulsa County (674.12K), and Cleveland County (298.17K).
The chart below shows the top 10 counties, and the table below shows the ranking of all Oklahoma counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: Oklahoma Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
See this for other years:
Ranking of Oklahoma Counties By Population in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Oklahoma County | 799961 |
| 2 | Tulsa County | 674123 |
| 3 | Cleveland County | 298165 |
| 4 | Canadian County | 162029 |
| 5 | Comanche County | 122325 |
| 6 | Rogers County | 96903 |
| 7 | Wagoner County | 84257 |
| 8 | Payne County | 82166 |
| 9 | Pottawatomie County | 73047 |
| 10 | Creek County | 72250 |
| 11 | Muskogee County | 66274 |
| 12 | Garfield County | 61977 |
| 13 | Grady County | 55601 |
| 14 | Washington County | 52902 |
| 15 | Logan County | 50929 |
| 16 | Le Flore County | 48614 |
| 17 | Carter County | 48257 |
| 18 | Cherokee County | 47660 |
| 19 | Bryan County | 47130 |
| 20 | Osage County | 45890 |
| 21 | Kay County | 43732 |
| 22 | Pittsburg County | 43632 |
| 23 | McClain County | 43538 |
| 24 | Stephens County | 43119 |
| 25 | Delaware County | 40969 |
| 26 | Sequoyah County | 39492 |
| 27 | Mayes County | 39255 |
| 28 | Pontotoc County | 38190 |
| 29 | Okmulgee County | 36845 |
| 30 | Lincoln County | 33855 |
| 31 | McCurtain County | 30819 |
| 32 | Ottawa County | 30389 |
| 33 | Custer County | 28177 |
| 34 | Caddo County | 26457 |
| 35 | Garvin County | 25783 |
| 36 | Jackson County | 24746 |
| 37 | Seminole County | 23539 |
| 38 | Beckham County | 22037 |
| 39 | Texas County | 20855 |
| 40 | Woodward County | 20252 |
| 41 | Adair County | 19444 |
| 42 | McIntosh County | 19251 |
| 43 | Pawnee County | 15715 |
| 44 | Marshall County | 15553 |
| 45 | Kingfisher County | 15227 |
| 46 | Choctaw County | 14366 |
| 47 | Atoka County | 14296 |
| 48 | Craig County | 14203 |
| 49 | Murray County | 13720 |
| 50 | Hughes County | 13403 |
| 51 | Haskell County | 11619 |
| 52 | Okfuskee County | 11228 |
| 53 | Noble County | 10939 |
| 54 | Washita County | 10901 |
| 55 | Pushmataha County | 10772 |
| 56 | Johnston County | 10328 |
| 57 | Love County | 10238 |
| 58 | Latimer County | 9458 |
| 59 | Nowata County | 9359 |
| 60 | Woods County | 8632 |
| 61 | Blaine County | 8551 |
| 62 | Kiowa County | 8403 |
| 63 | Major County | 7640 |
| 64 | Tillman County | 7036 |
| 65 | Alfalfa County | 5698 |
| 66 | Greer County | 5482 |
| 67 | Cotton County | 5444 |
| 68 | Jefferson County | 5401 |
| 69 | Coal County | 5308 |
| 70 | Beaver County | 4991 |
| 71 | Dewey County | 4418 |
| 72 | Grant County | 4142 |
| 73 | Ellis County | 3740 |
| 74 | Roger Mills County | 3365 |
| 75 | Harper County | 3175 |
| 76 | Harmon County | 2403 |
| 77 | Cimarron County | 2248 |