Oklahoma Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen population for Oklahoma was 3,701,735 and represented 96.16% of the total Oklahoma population.

Among all Oklahoma counties, Oklahoma had the highest citizen population (696.39K), followed by Tulsa (587.85K), and Cleveland (260.15K).

In terms of percentages, Grant had the highest percentage of its population being citizens (100.00%), followed by Cotton (99.92%), and McIntosh (99.78%).

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

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

You may also be interested in:
Oklahoma Citizen Voting-age Population By County in 2015

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Oklahoma Citizen Population By County in 2015

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County	Citizen Population	% of County Population
Oklahoma	696385	92.30
Tulsa	587845	94.31
Cleveland	260145	96.85
Canadian	123365	97.76
Comanche	122240	97.38
Rogers	88115	98.80
Payne	75470	95.02
Wagoner	73945	98.08
Pottawatomie	70455	99.04
Creek	70135	99.12
Muskogee	68825	98.01
Garfield	59310	95.37
Grady	53115	99.08
Washington	50455	97.48
Le Flore	48470	97.13
Osage	47735	99.33
Carter	47635	98.34
Cherokee	47240	98.22
Kay	44860	98.41
Pittsburg	44470	98.91
Stephens	44110	98.45
Logan	44040	98.98
Bryan	43370	98.56
Sequoyah	41055	99.01
Delaware	40895	98.76
Mayes	40705	99.27
Okmulgee	39290	99.61
Pontotoc	37505	98.56
McClain	35905	98.34
Lincoln	34330	99.49
McCurtain	32810	98.99
Ottawa	31665	98.69
Caddo	28825	97.73
Custer	27330	94.31
Garvin	26915	98.03
Seminole	25260	99.14
Jackson	24980	95.87
Beckham	22755	97.66
Adair	21885	98.43
Woodward	20355	97.00
McIntosh	20235	99.78
Texas	17155	79.46
Pawnee	16395	99.36
Marshall	15245	95.19
Choctaw	15060	99.60
Craig	14615	99.12
Kingfisher	14430	94.31
Atoka	13820	99.39
Hughes	13720	99.53
Murray	13585	98.91
Haskell	12680	98.68
Okfuskee	12190	99.51
Noble	11420	99.26
Washita	11390	97.77
Pushmataha	11125	99.11
Johnston	10955	99.41
Latimer	10695	99.26
Nowata	10485	99.34
Blaine	9605	97.91
Love	9255	95.76
Kiowa	9160	98.50
Woods	8910	98.62
Major	7540	97.92
Tillman	7480	96.95
Jefferson	6260	98.82
Cotton	6105	99.92
Greer	6095	99.67
Coal	5785	99.57
Alfalfa	5650	98.18
Beaver	5200	94.03
Dewey	4795	98.56
Grant	4515	100.00
Ellis	4055	98.42
Roger Mills	3755	99.34
Harper	3220	85.53
Harmon	2765	96.51
Cimarron	2185	93.38