Oklahoma Citizen Voting-age Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for Oklahoma was 2,852,280 and represented 72.24% of the total Oklahoma population.

Among all Oklahoma counties, Oklahoma had the highest citizen voting-age population (540.61K), followed by Tulsa (462.37K), and Cleveland (220.35K).

In terms of percentages, McIntosh had the highest percentage of its population being citizens of voting-age (79.48%), followed by Greer (79.46%), and Alfalfa (78.68%).

The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.

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

See this for other years:
Oklahoma Citizen Voting-age Population By County in 2021
Oklahoma Citizen Voting-age Population By County in 2021
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County Citizen Voting-age Population % of County Population
Oklahoma 540605 68.35
Tulsa 462365 69.62
Cleveland 220350 75.43
Canadian 108500 71.77
Comanche 89665 73.80
Rogers 71235 75.27
Payne 62445 76.33
Wagoner 59375 73.75
Pottawatomie 54475 75.32
Creek 54025 75.16
Muskogee 49350 73.79
Garfield 43860 70.03
Grady 41105 75.09
Washington 38585 73.66
Logan 36795 75.08
Osage 35995 78.01
Cherokee 35960 76.02
Le Flore 35355 73.00
Carter 35040 72.85
Bryan 34235 74.73
Pittsburg 33295 75.96
Stephens 32355 75.27
Kay 32340 73.47
Delaware 31950 78.52
McClain 29965 72.63
Sequoyah 29825 75.22
Mayes 29780 75.77
Pontotoc 28530 74.88
Okmulgee 28020 75.64
Lincoln 25430 75.57
McCurtain 22600 72.65
Ottawa 22355 73.13
Custer 20525 71.85
Caddo 19210 70.48
Garvin 18900 72.83
Jackson 18025 72.22
Seminole 17595 73.93
Beckham 16650 74.50
McIntosh 15185 79.48
Woodward 14870 72.22
Adair 14285 72.00
Pawnee 11945 76.16
Texas 11210 52.26
Marshall 11025 71.78
Craig 10910 76.99
Atoka 10795 76.67
Choctaw 10650 74.45
Murray 10425 75.14
Kingfisher 10200 66.80
Hughes 9955 74.26
Haskell 8760 74.81
Okfuskee 8745 76.41
Pushmataha 8440 77.50
Noble 8265 75.00
Washita 8125 73.76
Johnston 7810 74.77
Latimer 7435 77.81
Love 7315 72.39
Nowata 7235 76.28
Woods 6710 76.86
Kiowa 6415 75.29
Blaine 6195 70.40
Major 5580 71.95
Tillman 5020 71.00
Alfalfa 4520 78.68
Greer 4410 79.46
Cotton 4305 76.81
Coal 4005 75.64
Jefferson 4000 72.86
Beaver 3340 65.49
Dewey 3215 70.66
Grant 3170 76.11
Ellis 2890 75.75
Roger Mills 2565 73.81
Harper 2205 65.63
Harmon 1865 73.43
Cimarron 1635 72.03