Alphabetical list of Oklahoma counties
The land-area figures are rounded to the nearest square mile. Water area is shown separately so large lakes or coastal waters do not obscure the comparison.
| Name | FIPS code | Land area | Water area |
|---|---|---|---|
| Adair County | 40001 | 574 sq mi | 3 sq mi |
| Alfalfa County | 40003 | 867 sq mi | 15 sq mi |
| Atoka County | 40005 | 975 sq mi | 14 sq mi |
| Beaver County | 40007 | 1,815 sq mi | 3 sq mi |
| Beckham County | 40009 | 902 sq mi | 2 sq mi |
| Blaine County | 40011 | 928 sq mi | 10 sq mi |
| Bryan County | 40013 | 904 sq mi | 39 sq mi |
| Caddo County | 40015 | 1,278 sq mi | 12 sq mi |
| Canadian County | 40017 | 897 sq mi | 9 sq mi |
| Carter County | 40019 | 822 sq mi | 11 sq mi |
| Cherokee County | 40021 | 749 sq mi | 27 sq mi |
| Choctaw County | 40023 | 770 sq mi | 29 sq mi |
| Cimarron County | 40025 | 1,835 sq mi | 6 sq mi |
| Cleveland County | 40027 | 539 sq mi | 19 sq mi |
| Coal County | 40029 | 517 sq mi | 5 sq mi |
| Comanche County | 40031 | 1,069 sq mi | 15 sq mi |
| Cotton County | 40033 | 633 sq mi | 9 sq mi |
| Craig County | 40035 | 761 sq mi | 1 sq mi |
| Creek County | 40037 | 950 sq mi | 20 sq mi |
| Custer County | 40039 | 989 sq mi | 13 sq mi |
| Delaware County | 40041 | 738 sq mi | 54 sq mi |
| Dewey County | 40043 | 1,000 sq mi | 9 sq mi |
| Ellis County | 40045 | 1,231 sq mi | 0 sq mi |
| Garfield County | 40047 | 1,059 sq mi | 2 sq mi |
| Garvin County | 40049 | 802 sq mi | 12 sq mi |
| Grady County | 40051 | 1,101 sq mi | 4 sq mi |
| Grant County | 40053 | 1,001 sq mi | 3 sq mi |
| Greer County | 40055 | 639 sq mi | 4 sq mi |
| Harmon County | 40057 | 537 sq mi | 1 sq mi |
| Harper County | 40059 | 1,039 sq mi | 2 sq mi |
| Haskell County | 40061 | 577 sq mi | 49 sq mi |
| Hughes County | 40063 | 804 sq mi | 10 sq mi |
| Jackson County | 40065 | 803 sq mi | 2 sq mi |
| Jefferson County | 40067 | 759 sq mi | 15 sq mi |
| Johnston County | 40069 | 643 sq mi | 15 sq mi |
| Kay County | 40071 | 920 sq mi | 25 sq mi |
| Kingfisher County | 40073 | 898 sq mi | 8 sq mi |
| Kiowa County | 40075 | 1,015 sq mi | 16 sq mi |
| Latimer County | 40077 | 722 sq mi | 7 sq mi |
| Le Flore County | 40079 | 1,589 sq mi | 19 sq mi |
| Lincoln County | 40081 | 952 sq mi | 13 sq mi |
| Logan County | 40083 | 744 sq mi | 5 sq mi |
| Love County | 40085 | 514 sq mi | 18 sq mi |
| Major County | 40093 | 955 sq mi | 3 sq mi |
| Marshall County | 40095 | 371 sq mi | 55 sq mi |
| Mayes County | 40097 | 655 sq mi | 28 sq mi |
| McClain County | 40087 | 571 sq mi | 10 sq mi |
| McCurtain County | 40089 | 1,851 sq mi | 52 sq mi |
| McIntosh County | 40091 | 618 sq mi | 94 sq mi |
| Murray County | 40099 | 416 sq mi | 9 sq mi |
| Muskogee County | 40101 | 811 sq mi | 29 sq mi |
| Noble County | 40103 | 732 sq mi | 11 sq mi |
| Nowata County | 40105 | 566 sq mi | 15 sq mi |
| Okfuskee County | 40107 | 618 sq mi | 10 sq mi |
| Oklahoma County | 40109 | 709 sq mi | 10 sq mi |
| Okmulgee County | 40111 | 697 sq mi | 5 sq mi |
| Osage County | 40113 | 2,247 sq mi | 57 sq mi |
| Ottawa County | 40115 | 471 sq mi | 14 sq mi |
| Pawnee County | 40117 | 568 sq mi | 27 sq mi |
| Payne County | 40119 | 685 sq mi | 12 sq mi |
| Pittsburg County | 40121 | 1,306 sq mi | 72 sq mi |
| Pontotoc County | 40123 | 720 sq mi | 5 sq mi |
| Pottawatomie County | 40125 | 788 sq mi | 6 sq mi |
| Pushmataha County | 40127 | 1,396 sq mi | 27 sq mi |
| Roger Mills County | 40129 | 1,141 sq mi | 5 sq mi |
| Rogers County | 40131 | 676 sq mi | 36 sq mi |
| Seminole County | 40133 | 633 sq mi | 8 sq mi |
| Sequoyah County | 40135 | 674 sq mi | 41 sq mi |
| Stephens County | 40137 | 870 sq mi | 21 sq mi |
| Texas County | 40139 | 2,041 sq mi | 7 sq mi |
| Tillman County | 40141 | 871 sq mi | 8 sq mi |
| Tulsa County | 40143 | 570 sq mi | 17 sq mi |
| Wagoner County | 40145 | 562 sq mi | 29 sq mi |
| Washington County | 40147 | 416 sq mi | 9 sq mi |
| Washita County | 40149 | 1,003 sq mi | 6 sq mi |
| Woods County | 40151 | 1,286 sq mi | 4 sq mi |
| Woodward County | 40153 | 1,243 sq mi | 4 sq mi |
Largest Oklahoma counties by land area
These are the five largest mapped units in Oklahoma by Census-reported land area:
- Osage County — 2,247 square miles
- Texas County — 2,041 square miles
- McCurtain County — 1,851 square miles
- Cimarron County — 1,835 square miles
- Beaver County — 1,815 square miles
How to read and use this map
County lines are administrative boundaries, not postal routes. A mailing address can use a city name associated with a neighboring area, and ZIP codes can cross county lines. When you need to identify a county for an address, confirm it with an official geocoder or local government source.
For classroom or planning use, print directly from this page. If labels become crowded, choose landscape orientation and reduce page margins. The underlying vector lines remain crisp at different sizes.
Frequently asked questions
How many counties are in Oklahoma?
Oklahoma has 77 counties in the U.S. Census Bureau’s 2025 cartographic boundary file.
Can I print this Oklahoma county map?
Yes. Choose Print map and use landscape orientation for the widest map. Because the map is SVG, its boundary lines stay sharp when scaled.
Are these legal survey boundaries?
No. This is a generalized reference map. Property, parcel, election, and legal boundary questions should be checked with the relevant state or local agency.
Map source
U.S. Census Bureau, 2025 Cartographic Boundary File, Counties, 1:20,000,000. Land and water area fields are supplied in the same file and converted from square meters to square miles. Accessed September 15, 2026.