Oklahoma Population By County in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the population of Oklahoma was 3,964,912. Among all Oklahoma counties, Oklahoma[object Promise] had the highest population (798,200), followed by Tulsa[object Promise] (670,653), and Cleveland[object Promise] (296,207). Cimarron[object Promise] was the least populated county (2,290).

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.

See this for other years:
Oklahoma Population By County in 2020
Oklahoma Population By County in 2020
Items per page:
0 of 0
County Population % of State Population
Adair 19451 0.49
Alfalfa 5708 0.14
Atoka 14154 0.36
Beaver 5029 0.13
Beckham 22342 0.56
Blaine 8702 0.22
Bryan 46327 1.17
Caddo 26900 0.68
Canadian 155425 3.92
Carter 48036 1.21
Cherokee 47090 1.19
Choctaw 14201 0.36
Cimarron 2290 0.06
Cleveland 296207 7.47
Coal 5284 0.13
Comanche 121125 3.06
Cotton 5535 0.14
Craig 14136 0.36
Creek 71837 1.81
Custer 28444 0.72
Delaware 40385 1.02
Dewey 4474 0.11
Ellis 3739 0.09
Garfield 62692 1.58
Garvin 25645 0.65
Grady 54873 1.38
Grant 4174 0.11
Greer 5493 0.14
Harmon 2473 0.06
Harper 3248 0.08
Haskell 11552 0.29
Hughes 13348 0.34
Jackson 24736 0.62
Jefferson 5325 0.13
Johnston 10241 0.26
Kay 43609 1.10
Kingfisher 15174 0.38
Kiowa 8493 0.21
Latimer 9481 0.24
Le Flore 48195 1.22
Lincoln 33495 0.85
Logan 49743 1.25
Love 10159 0.26
McClain 41911 1.06
McCurtain 30838 0.78
McIntosh 18950 0.48
Major 7746 0.20
Marshall 15340 0.39
Mayes 39053 0.99
Murray 13877 0.35
Muskogee 66241 1.67
Noble 10922 0.28
Nowata 9322 0.24
Okfuskee 11271 0.28
Oklahoma 798200 20.13
Okmulgee 36686 0.93
Osage 45778 1.16
Ottawa 30229 0.76
Pawnee 15552 0.39
Payne 81645 2.06
Pittsburg 43784 1.10
Pontotoc 38087 0.96
Pottawatomie 72542 1.83
Pushmataha 10796 0.27
Roger Mills 3428 0.09
Rogers 95387 2.41
Seminole 23515 0.59
Sequoyah 39246 0.99
Stephens 42814 1.08
Texas 21291 0.54
Tillman 6948 0.18
Tulsa 670653 16.92
Wagoner 81379 2.05
Washington 52604 1.33
Washita 10903 0.28
Woods 8598 0.22
Woodward 20406 0.52