| County | Established | Origin | County Seat | County Administrator |
| Adair | 1907 | --- | Stilwell | |
| Alfalfa | 1907 | Woods County | Cherokee | |
| 1907 | Choctaw Nation Lands | Atoka | ||
| Beaver | 1890 | --- | Beaver | |
| 1907 | Greer & Roger Mills | Sayre | ||
| Blaine | 1890 | --- | Watonga | |
| Bryan | 1907 | Choctaw Nation Lands | Durant | |
| Caddo | 1901 |
--- |
Anadarko | |
| Canadian | 1901 | Cheyenne - Arapaho Lands | El Reno | |
| Carter | 1907 | Pickens County Chickasaw Nation Lands |
Ardmore | Linda Simpson |
| Cherokee | 1907 | Cherokee Nation Lands | Tahlequah | |
| Choctaw | 1907 | Choctaw Nation Lands | Hugo | |
| Cimarron | 1907 | --- | Boise City | |
| Cleveland | 1890 | --- | Norman | |
| Coal | 1907 | Choctaw Nation Lands | Coalgate | |
| Comanche | 1907 | Kiowa, Comanche, Apache Lands | Lawton | |
| Cotton | 1912 | Quapaw, Comanche Lands & Big Pasture |
Walters | |
| Craig | 1907 | Cherokee Nation Lands | Vinita | |
| Creek | 1907 | Creek Nation Lands | Sapulpa | |
| Custer | 1891 | Cheyenne - Arapaho Lands | Arapaho | |
| Delaware | 1907 | Cherokee Nation Lands | Jay | |
| Dewey | 1892 | Cheyenne - Arapaho Lands | Taloga | |
| Ellis | 1907 | Roger Mills & Woodward | Arnett | |
| Garfield | 1893 | Cherokee Outlet | Enid | Billie Walsh |
| Garvin | 1907 | Chickasaw Nation Lands | Pauls Valley | Gail Meyer Kilgore |
| Grady | 1907 | --- | Chickasha | |
| Grant | 1892 | --- | Medford | |
| Greer | 1896 | Greer County, Texas | Mangum | |
| Harmon | 1909 | Greer County | Hollis | |
| Harper | 1893 | --- | Buffalo | |
| Haskell | 1907 | --- | Stigler | |
| Hughes | 1907 | --- | Holdenville | |
| Jackson | 1907 | Greer County | Altus | |
| Jefferson | 1907 | Comanche County & Chickasaw Nation Lands | Waurika | |
| Johnston | 1907 | --- | Tishomingo | |
| Kay | 1895 | Cherokee Strip | Newkirk | |
| Kingfisher | 1907 | Unassigned Lands | Kingfisher | |
| Kiowa | 1901 | Kiowa, Comanche, Apache | Hobart | |
| Latimer | 1907 | --- | Wilburton | |
| Le Flore | 1907 | Choctaw Nation Lands | Poteau | |
| Lincoln | 1891 | --- | Chandler | |
| Logan | 1891 | --- | Guthrie | Billie Walsh |
| Love | 1907 | Chickasaw Nation Lands | Marietta | |
| Major | 1909 | --- | Fairview | |
| Marshall | 1907 | --- | Madill | |
| Mayes | 1907 | Cherokee Nation Lands | Pryor | |
| McClain | 1907 | --- | Purcell | |
| McCurtain | 1907 | Choctaw Nation Lands | Idabel | |
| McIntosh | 1907 | Creek Nation Lands | Eufaula | |
| Murray | 1907 | Chickasaw Nation Lands | Sulpher | |
| Muskogee | 1907 | Creek Nation Lands | Muskogee | |
| Noble | 1897 | --- | Perry | |
| Nowata | 1907 | Origin unclear | Nowata | |
| Okfuskee | 1907 | Creek Nation Lands | Okemah | |
| Oklahoma | 1891 | okla humma 'people in red' | Oklahoma City | |
| Okmulgee | 1907 | Creek Nation Lands | Okmulgee | |
| Osage | 1907 | Osage Nation Lands | Pawhuska | |
| Ottawa | 1907 | Ottawa Nation Lands | Miami | |
| Pawnee | 1897 | Skidi - Pawnee Nation Lands | Pawnee | |
| Payne | 1890 | --- | Stillwater | |
| Pittsburg | 1907 | --- | McAlester | |
| Pontotoc | 1907 | Chickasaw Nation Lands | Ada | |
| Pottawatomie | 1891 | Pottawatomie Nation Lands | Shawnee | |
| Pushmataha | 1907 | Choctaw Nation Lands | Antlers | |
| Roger Mills | 1895 | --- | Cheyenne | |
| Rogers | 1907 | Creek Nation Lands | Claremore | |
| Seminole | 1907 | Seminole Nation Lands | Wewoka | |
| Sequoyah | 1907 | Cherokee Nation Lands | Sallisaw | |
| Stephens | 1907 | --- | Duncan | |
| Texas | 1907 | --- | Guymon | |
| Tillman | 1907 | --- | Frederick | |
| Tulsa | 1907 | Creek Nation Lands | Tulsa | |
| Wagoner | 1907 | --- | Wagoner | |
| Washington | 1907 | --- | Bartlesville | |
| Washita | 1897 | --- | Cordell | |
| Woods | 1893 | --- | Alva | |
| Woodward | 1907 | --- | Woodward |
| Special Project | Coordinator |
Cherokee Strip Livestock Association |
Billie Walsh |
The Good, The Bad and The UglyLawmen and Outlaws |
|
Oklahoma Ghost Towns |
|
Oklahoma Military Page |
|
Oklahoma Forts Project |
Click County
Indian Territory
Trails To The Past
IT Administrator
Linda SimpsonAssistant IT Administrator
Billie Walsh
|
Nation |
Nation Administrator |
| Cherokee Nation | Billie Walsh |
| Chickasaw Nation | |
| Choctaw Nation | |
| Creek Nation | |
| Seminole Nation |
| Nation | Nation Administrator |
| Cheyenne/Arapaho | Available For Adoption |
| Eastern Shawnee | Available For Adoption |
| Iowa | Available For Adoption |
| Kaw | Available For Adoption |
| Kickapoo | Available For Adoption |
| Kiowa/Commanche | Available For Adoption |
| Miami | Available For Adoption |
| Modoc | Available For Adoption |
| Osage | Available For Adoption |
| Otoe/Missouria | Available For Adoption |
| Ottowa | Available For Adoption |
| Pawnee | Available For Adoption |
| Peoria | Available For Adoption |
| Ponca | Available For Adoption |
| Pottawatomie/Shawnee | Available For Adoption |
| Quapaw | Available For Adoption |
| Sac and Fox | Available For Adoption |
| Seneca/Cayuga | Available For Adoption |
| Tonkawa | Available For Adoption |
| Wichita and Affiliated Caddo/Delaware | Available For Adoption |
| Wyandotte | Available For Adoption |
