Oklahoma Counties by Population (2026)
2026 Pop.
100K
200K
300K
400K
500K
600K
700K
800K
Top 5 Most Populous Counties
826,052
702,882
304,545
192,734
122,674
| County | 2026 Pop. ↓ | Area (mi²) | Density (/mi²) | Change (2020) |
|---|---|---|---|---|
| Oklahoma County | 826,052 | 709 | 1,165 | 3.48% |
| Tulsa County | 702,882 | 570 | 1,233 | 4.8% |
| Cleveland County | 304,545 | 539 | 565 | 2.8% |
| Canadian County | 192,734 | 897 | 215 | 24% |
| Comanche County | 122,674 | 1.1K | 115 | 1.26% |
| Rogers County | 103,224 | 676 | 153 | 8.21% |
| Wagoner County | 95,217 | 562 | 169 | 16.99% |
| Payne County | 84,082 | 685 | 123 | 2.98% |
| Creek County | 76,005 | 950 | 80 | 5.79% |
| Pottawatomie County | 75,729 | 788 | 96 | 4.4% |
| Muskogee County | 66,636 | 811 | 82 | 0.63% |
| Garfield County | 61,514 | 1.1K | 58 | -1.89% |
| Grady County | 59,958 | 1.1K | 54 | 9.24% |
| Logan County | 56,949 | 744 | 77 | 14.46% |
| Washington County | 54,181 | 416 | 130 | 2.98% |
| Bryan County | 52,294 | 904 | 58 | 12.88% |
| McClain County | 50,764 | 571 | 89 | 21.09% |
| Le Flore County | 50,745 | 1.6K | 32 | 5.26% |
| Cherokee County | 49,627 | 749 | 66 | 5.4% |
| Carter County | 48,652 | 822 | 59 | 1.27% |
| Osage County | 46,797 | 2.2K | 21 | 2.18% |
| Stephens County | 44,395 | 870 | 51 | 3.64% |
| Kay County | 43,343 | 920 | 47 | -0.6% |
| Pittsburg County | 43,169 | 1.3K | 33 | -1.42% |
| Delaware County | 42,171 | 738 | 57 | 4.43% |
| Sequoyah County | 41,287 | 674 | 61 | 5.22% |
| Mayes County | 40,698 | 655 | 62 | 4.21% |
| Pontotoc County | 38,713 | 720 | 54 | 1.63% |
| Okmulgee County | 37,319 | 697 | 54 | 1.72% |
| Lincoln County | 35,556 | 952 | 37 | 6.09% |
| McCurtain County | 30,710 | 1.9K | 17 | -0.43% |
| Ottawa County | 30,447 | 471 | 65 | 0.68% |
| Custer County | 28,149 | 989 | 28 | -1.05% |
| Garvin County | 26,455 | 802 | 33 | 3.15% |
| Caddo County | 25,981 | 1.3K | 20 | -3.43% |
| Jackson County | 24,901 | 803 | 31 | 0.67% |
| Seminole County | 23,528 | 633 | 37 | 0.05% |
| Beckham County | 22,132 | 902 | 25 | -0.87% |
| Texas County | 20,201 | 2K | 9.9 | -5.12% |
| Adair County | 19,952 | 574 | 35 | 2.59% |
| McIntosh County | 19,790 | 618 | 32 | 4.44% |
| Woodward County | 19,752 | 1.2K | 16 | -3.18% |
| Marshall County | 16,360 | 371 | 44 | 6.65% |
| Pawnee County | 16,022 | 568 | 28 | 3.02% |
| Kingfisher County | 15,913 | 898 | 18 | 4.9% |
| Atoka County | 14,691 | 975 | 15 | 3.72% |
| Craig County | 14,562 | 761 | 19 | 2.93% |
| Choctaw County | 13,892 | 770 | 18 | -2.2% |
| Murray County | 13,753 | 416 | 33 | -0.86% |
| Hughes County | 13,464 | 804 | 17 | 0.87% |
| Haskell County | 11,752 | 577 | 20 | 1.72% |
| Okfuskee County | 11,550 | 618 | 19 | 2.47% |
| Love County | 10,961 | 514 | 21 | 7.89% |
| Washita County | 10,948 | 1K | 11 | 0.41% |
| Noble County | 10,890 | 732 | 15 | -0.32% |
| Pushmataha County | 10,754 | 1.4K | 7.7 | -0.36% |
| Johnston County | 10,571 | 643 | 16 | 3.21% |
| Latimer County | 9,701 | 722 | 13 | 2.36% |
| Nowata County | 9,518 | 566 | 17 | 2.09% |
| Blaine County | 8,508 | 928 | 9.2 | -2.25% |
| Woods County | 8,321 | 1.3K | 6.5 | -3.22% |
| Kiowa County | 8,103 | 1K | 8.0 | -4.63% |
| Major County | 7,514 | 955 | 7.9 | -3.01% |
| Tillman County | 6,762 | 871 | 7.8 | -2.71% |
| Alfalfa County | 5,577 | 867 | 6.4 | -2.38% |
| Jefferson County | 5,440 | 759 | 7.2 | 2.35% |
| Coal County | 5,415 | 517 | 10 | 2.63% |
| Cotton County | 5,366 | 633 | 8.5 | -3.14% |
| Greer County | 5,306 | 639 | 8.3 | -3.4% |
| Beaver County | 4,849 | 1.8K | 2.7 | -3.56% |
| Dewey County | 4,143 | 1K | 4.1 | -7.44% |
| Grant County | 4,002 | 1K | 4.0 | -4.4% |
| Ellis County | 3,605 | 1.2K | 2.9 | -3.66% |
| Roger Mills County | 3,231 | 1.1K | 2.8 | -5.83% |
| Harper County | 3,148 | 1K | 3.0 | -3.02% |
| Harmon County | 2,319 | 537 | 4.3 | -6.34% |
| Cimarron County | 1,997 | 1.8K | 1.1 | -12.68% |
Sources
- US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
- American Community Survey (2009 - 2013)
- Census QuickFacts
- Historical Populations of States and Counties (1790 - 1990)