The graph below ranks each Oklahoma County by total residents according to the 2006 census estimates.
Oklahoma total population by county
| County | Total Population |
| Oklahoma |  691,266 |
| Tulsa | 577,795 |
| Cleveland | 228,594 |
| Comanche | 109,181 |
| Canadian | 101,335 |
| Rogers | 82,435 |
| Payne | 73,818 |
| Muskogee | 71,018 |
| Creek | 69,146 |
| Pottawatomie | 68,638 |
| Wagoner | 66,313 |
| Garfield | 57,068 |
| Grady | 50,490 |
| Le Flore | 50,079 |
| Washington | 49,241 |
| Carter | 47,503 |
| Kay | 45,889 |
| Osage | 45,549 |
| Pittsburg | 45,002 |
| Cherokee | 44,910 |
| Stephens | 43,243 |
| Sequoyah | 41,356 |
| Delaware | 40,061 |
| Mayes | 39,774 |
| Okmulgee | 39,670 |
| Bryan | 38,395 |
| Logan | 36,971 |
| Pontotoc | 35,350 |
| McCurtain | 34,018 |
| Ottawa | 33,026 |
| Lincoln | 32,645 |
| McClain | 31,038 |
| Caddo | 30,063 |
| Garvin | 27,375 |
| Jackson | 26,042 |
| Custer | 25,566 |
| Seminole | 24,650 |
| Adair | 22,317 |
| Texas | 20,238 |
| McIntosh | 19,899 |
| Beckham | 19,271 |
| Woodward | 19,231 |
| Pawnee | 16,844 |
| Choctaw | 15,334 |
| Craig | 15,046 |
| Marshall | 14,558 |
| Atoka | 14,340 |
| Kingfisher | 14,316 |
| Hughes | 13,893 |
| Murray | 12,945 |
| Blaine | 12,734 |
| Haskell | 12,155 |
| Pushmataha | 11,641 |
| Washita | 11,583 |
| Okfuskee | 11,370 |
| Noble | 11,152 |
| Nowata | 10,785 |
| Latimer | 10,562 |
| Johnston | 10,436 |
| Kiowa | 9,778 |
| Love | 9,162 |
| Tillman | 8,482 |
| Woods | 8,385 |
| Major | 7,329 |
| Cotton | 6,491 |
| Jefferson | 6,385 |
| Greer | 5,864 |
| Alfalfa | 5,673 |
| Coal | 5,634 |
| Beaver | 5,336 |
| Grant | 4,653 |
| Dewey | 4,475 |
| Ellis | 3,912 |
| Harper | 3,348 |
| Roger Mills | 3,293 |
| Harmon | 3,042 |
| Cimarron | 2,807 |