Oklahoma Citizen Voting-age Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for Oklahoma was 2,819,170 and represented 71.95% of the total Oklahoma population.

Among all Oklahoma counties, Oklahoma had the highest citizen voting-age population (529.97K), followed by Tulsa (443.98K), and Cleveland (207.92K).

In terms of percentages, Greer had the highest percentage of its population being citizens of voting-age (79.90%), followed by McIntosh (79.19%), and Woods (78.41%).

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 2018
Oklahoma Citizen Voting-age Population By County in 2018
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County Citizen Voting-age Population % of County Population
Oklahoma 529970 67.77
Tulsa 443975 69.07
Cleveland 207915 75.13
Canadian 98185 71.82
Comanche 90555 73.89
Rogers 67940 74.81
Payne 61540 75.50
Wagoner 57040 73.27
Pottawatomie 53965 74.95
Creek 53180 74.73
Muskogee 50940 73.74
Garfield 43740 70.33
Grady 40835 74.61
Washington 38285 73.63
Le Flore 36630 73.39
Osage 36430 77.00
Cherokee 36325 74.74
Carter 35185 72.69
Bryan 34400 75.18
Logan 34330 74.56
Pittsburg 33935 76.47
Stephens 32985 74.99
Kay 32960 73.44
Delaware 32925 78.19
Sequoyah 31255 75.57
Mayes 30955 75.54
Okmulgee 29385 75.56
Pontotoc 28665 74.73
McClain 27910 72.24
Lincoln 26210 75.20
McCurtain 24165 73.31
Ottawa 23305 73.83
Caddo 20725 70.64
Custer 20540 70.32
Garvin 20205 72.61
Seminole 18455 73.61
Jackson 18020 70.99
Beckham 16480 72.86
Adair 16065 72.64
McIntosh 15695 79.19
Woodward 14695 70.09
Pawnee 12430 75.65
Marshall 11625 70.99
Choctaw 11170 75.04
Texas 11150 52.79
Craig 11145 76.89
Atoka 10630 76.61
Kingfisher 10575 67.70
Hughes 10435 77.53
Murray 10435 75.21
Haskell 9510 74.85
Okfuskee 9195 75.90
Pushmataha 8615 77.47
Noble 8610 75.46
Johnston 8390 76.00
Washita 8330 72.88
Latimer 8150 77.66
Nowata 7905 76.12
Woods 7155 78.41
Love 7135 71.82
Blaine 6955 72.19
Kiowa 6775 75.28
Major 5520 71.50
Tillman 5405 71.92
Greer 4750 79.90
Jefferson 4680 75.18
Alfalfa 4575 78.14
Cotton 4565 76.98
Coal 4215 75.00
Beaver 3695 68.24
Dewey 3485 70.83
Grant 3335 75.45
Ellis 3050 74.94
Roger Mills 2720 73.32
Harper 2455 63.85
Harmon 1970 72.43
Cimarron 1545 70.55