Rank |
County |
Population (2012) |
1 |
Oklahoma County, Oklahoma
|
741,781
|
2 |
Tulsa County, Oklahoma
|
613,816
|
3 |
Cleveland County, Oklahoma
|
265,638
|
4 |
Comanche County, Oklahoma
|
126,390
|
5 |
Canadian County, Oklahoma
|
122,560
|
6 |
Rogers County, Oklahoma
|
88,367
|
7 |
Payne County, Oklahoma
|
78,399
|
8 |
Wagoner County, Oklahoma
|
75,030
|
9 |
Pottawatomie County, Oklahoma
|
70,760
|
10 |
Creek County, Oklahoma
|
70,651
|
11 |
Muskogee County, Oklahoma
|
70,596
|
12 |
Garfield County, Oklahoma
|
61,189
|
13 |
Grady County, Oklahoma
|
53,118
|
14 |
Washington County, Oklahoma
|
51,633
|
15 |
Le Flore County, Oklahoma
|
49,873
|
16 |
Cherokee County, Oklahoma
|
48,150
|
17 |
Carter County, Oklahoma
|
48,085
|
18 |
Osage County, Oklahoma
|
47,917
|
19 |
Kay County, Oklahoma
|
45,831
|
20 |
Pittsburg County, Oklahoma
|
45,048
|
21 |
Stephens County, Oklahoma
|
44,779
|
22 |
Logan County, Oklahoma
|
43,666
|
23 |
Bryan County, Oklahoma
|
43,399
|
24 |
Delaware County, Oklahoma
|
41,441
|
25 |
Sequoyah County, Oklahoma
|
41,398
|
26 |
Mayes County, Oklahoma
|
41,168
|
27 |
Okmulgee County, Oklahoma
|
39,625
|
28 |
Pontotoc County, Oklahoma
|
37,958
|
29 |
McClain County, Oklahoma
|
35,613
|
30 |
Lincoln County, Oklahoma
|
34,189
|
31 |
McCurtain County, Oklahoma
|
33,203
|
32 |
Ottawa County, Oklahoma
|
32,236
|
33 |
Caddo County, Oklahoma
|
29,678
|
34 |
Custer County, Oklahoma
|
28,536
|
35 |
Garvin County, Oklahoma
|
27,297
|
36 |
Jackson County, Oklahoma
|
26,237
|
37 |
Seminole County, Oklahoma
|
25,450
|
38 |
Beckham County, Oklahoma
|
23,081
|
39 |
Adair County, Oklahoma
|
22,286
|
40 |
Texas County, Oklahoma
|
21,498
|
41 |
McIntosh County, Oklahoma
|
20,584
|
42 |
Woodward County, Oklahoma
|
20,548
|
43 |
Pawnee County, Oklahoma
|
16,474
|
44 |
Marshall County, Oklahoma
|
15,957
|
45 |
Choctaw County, Oklahoma
|
15,182
|
46 |
Kingfisher County, Oklahoma
|
15,005
|
47 |
Craig County, Oklahoma
|
14,748
|
48 |
Atoka County, Oklahoma
|
14,007
|
49 |
Hughes County, Oklahoma
|
13,836
|
50 |
Murray County, Oklahoma
|
13,663
|
51 |
Haskell County, Oklahoma
|
12,938
|
52 |
Okfuskee County, Oklahoma
|
12,358
|
53 |
Washita County, Oklahoma
|
11,622
|
54 |
Noble County, Oklahoma
|
11,522
|
55 |
Pushmataha County, Oklahoma
|
11,205
|
56 |
Latimer County, Oklahoma
|
11,019
|
57 |
Johnston County, Oklahoma
|
11,003
|
58 |
Nowata County, Oklahoma
|
10,611
|
59 |
Blaine County, Oklahoma
|
9,785
|
60 |
Love County, Oklahoma
|
9,558
|
61 |
Kiowa County, Oklahoma
|
9,310
|
62 |
Woods County, Oklahoma
|
8,832
|
63 |
Tillman County, Oklahoma
|
7,822
|
64 |
Major County, Oklahoma
|
7,683
|
65 |
Jefferson County, Oklahoma
|
6,377
|
66 |
Cotton County, Oklahoma
|
6,155
|
67 |
Greer County, Oklahoma
|
6,082
|
68 |
Coal County, Oklahoma
|
5,963
|
69 |
Alfalfa County, Oklahoma
|
5,666
|
70 |
Beaver County, Oklahoma
|
5,591
|
71 |
Dewey County, Oklahoma
|
4,783
|
72 |
Grant County, Oklahoma
|
4,516
|
73 |
Ellis County, Oklahoma
|
4,104
|
74 |
Roger Mills County, Oklahoma
|
3,774
|
75 |
Harper County, Oklahoma
|
3,676
|
76 |
Harmon County, Oklahoma
|
2,906
|
77 |
Cimarron County, Oklahoma
|
2,385
|