77 Counties — oklahoma
| County | Type | Population | Land area |
|---|
| adair | County | 21,038 | 576 sq mi |
| alfalfa | County | 6,105 | 867 sq mi |
| atoka | County | 13,879 | 978 sq mi |
| beaver | County | 5,857 | 1,815 sq mi |
| beckham | County | 19,799 | 902 sq mi |
| blaine | County | 11,976 | 929 sq mi |
| bryan | County | 36,534 | 909 sq mi |
| caddo | County | 30,150 | 1,278 sq mi |
| canadian | County | 87,697 | 900 sq mi |
| carter | County | 45,621 | 824 sq mi |
| cherokee | County | 42,521 | 751 sq mi |
| choctaw | County | 15,342 | 774 sq mi |
| cimarron | County | 3,148 | 1,835 sq mi |
| cleveland | County | 208,016 | 536 sq mi |
| coal | County | 6,031 | 518 sq mi |
| comanche | County | 114,996 | 1,069 sq mi |
| cotton | County | 6,614 | 637 sq mi |
| craig | County | 14,950 | 761 sq mi |
| creek | County | 67,367 | 956 sq mi |
| custer | County | 26,142 | 987 sq mi |
| delaware | County | 37,077 | 741 sq mi |
| dewey | County | 4,743 | 1,000 sq mi |
| ellis | County | 4,075 | 1,229 sq mi |
| garfield | County | 57,813 | 1,059 sq mi |
| garvin | County | 27,210 | 809 sq mi |
| grady | County | 45,516 | 1,101 sq mi |
| grant | County | 5,144 | 1,001 sq mi |
| greer | County | 6,061 | 639 sq mi |
| harmon | County | 3,283 | 538 sq mi |
| harper | County | 3,562 | 1,039 sq mi |
| haskell | County | 11,792 | 577 sq mi |
| hughes | County | 14,154 | 807 sq mi |
| jackson | County | 28,439 | 803 sq mi |
| jefferson | County | 6,818 | 759 sq mi |
| johnston | County | 10,513 | 645 sq mi |
| kay | County | 48,080 | 919 sq mi |
| kingfisher | County | 13,926 | 903 sq mi |
| kiowa | County | 10,227 | 1,015 sq mi |
| latimer | County | 10,692 | 722 sq mi |
| le flore | County | 48,109 | 1,586 sq mi |
| lincoln | County | 32,080 | 959 sq mi |
| logan | County | 33,924 | 745 sq mi |
| love | County | 8,831 | 515 sq mi |
| major | County | 7,545 | 957 sq mi |
| marshall | County | 13,184 | 371 sq mi |
| mayes | County | 38,369 | 656 sq mi |
| mcclain | County | 27,740 | 570 sq mi |
| mccurtain | County | 34,402 | 1,852 sq mi |
| mcintosh | County | 19,456 | 620 sq mi |
| murray | County | 12,623 | 418 sq mi |
| muskogee | County | 69,451 | 814 sq mi |
| noble | County | 11,411 | 732 sq mi |
| nowata | County | 10,569 | 565 sq mi |
| okfuskee | County | 11,814 | 625 sq mi |
| oklahoma | County | 660,448 | 709 sq mi |
| okmulgee | County | 39,685 | 697 sq mi |
| osage | County | 44,437 | 2,251 sq mi |
| ottawa | County | 33,194 | 471 sq mi |
| pawnee | County | 16,612 | 570 sq mi |
| payne | County | 68,190 | 686 sq mi |
| pittsburg | County | 43,953 | 1,306 sq mi |
| pontotoc | County | 35,143 | 720 sq mi |
| pottawatomie | County | 65,521 | 788 sq mi |
| pushmataha | County | 11,667 | 1,397 sq mi |
| roger mills | County | 3,436 | 1,142 sq mi |
| rogers | County | 70,641 | 675 sq mi |
| seminole | County | 24,894 | 633 sq mi |
| sequoyah | County | 38,972 | 674 sq mi |
| stephens | County | 43,182 | 877 sq mi |
| texas | County | 20,107 | 2,037 sq mi |
| tillman | County | 9,287 | 872 sq mi |
| tulsa | County | 563,299 | 570 sq mi |
| wagoner | County | 57,491 | 563 sq mi |
| washington | County | 48,996 | 417 sq mi |
| washita | County | 11,508 | 1,004 sq mi |
| woods | County | 9,089 | 1,287 sq mi |
| woodward | County | 18,486 | 1,242 sq mi |