Oklahoma Population By County in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the population of Oklahoma was 3,991,634. Among all Oklahoma counties, Oklahoma had the highest population (799,845), followed by Tulsa (674,051), and Cleveland (298,110). Cimarron was the least populated county (2,247).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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Oklahoma Population By County in 2021
Oklahoma Population By County in 2021
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County Population % of State Population
Adair 19442 0.49
Alfalfa 5695 0.14
Atoka 14294 0.36
Beaver 4994 0.13
Beckham 22032 0.55
Blaine 8547 0.21
Bryan 47126 1.18
Caddo 26461 0.66
Canadian 161999 4.06
Carter 48254 1.21
Cherokee 47659 1.19
Choctaw 14363 0.36
Cimarron 2247 0.06
Cleveland 298110 7.47
Coal 5304 0.13
Comanche 122324 3.07
Cotton 5442 0.14
Craig 14201 0.36
Creek 72224 1.81
Custer 28175 0.71
Delaware 40970 1.03
Dewey 4418 0.11
Ellis 3733 0.09
Garfield 61964 1.55
Garvin 25770 0.65
Grady 55595 1.39
Grant 4145 0.10
Greer 5480 0.14
Harmon 2403 0.06
Harper 3177 0.08
Haskell 11615 0.29
Hughes 13401 0.34
Jackson 24744 0.62
Jefferson 5390 0.14
Johnston 10332 0.26
Kay 43715 1.10
Kingfisher 15223 0.38
Kiowa 8404 0.21
Latimer 9454 0.24
Le Flore 48603 1.22
Lincoln 33846 0.85
Logan 50900 1.27
Love 10237 0.26
McClain 43535 1.09
McCurtain 30824 0.77
McIntosh 19249 0.48
Major 7636 0.19
Marshall 15552 0.39
Mayes 39259 0.98
Murray 13716 0.34
Muskogee 66267 1.66
Noble 10941 0.27
Nowata 9352 0.23
Okfuskee 11222 0.28
Oklahoma 799845 20.04
Okmulgee 36848 0.92
Osage 45882 1.15
Ottawa 30380 0.76
Pawnee 15707 0.39
Payne 82163 2.06
Pittsburg 43630 1.09
Pontotoc 38184 0.96
Pottawatomie 73045 1.83
Pushmataha 10767 0.27
Roger Mills 3365 0.08
Rogers 96871 2.43
Seminole 23542 0.59
Sequoyah 39494 0.99
Stephens 43110 1.08
Texas 20849 0.52
Tillman 7040 0.18
Tulsa 674051 16.89
Wagoner 84230 2.11
Washington 52903 1.33
Washita 10899 0.27
Woods 8623 0.22
Woodward 20241 0.51