List of counties in Oklahoma
This is a list of the seventy-seven counties in the U.S. state of Oklahoma. Oklahoma is ranked 20th size and 17th in the number of counties.
Alphabetical list
[change | change source]| County |
FIPS Code[1] | County Seat [2] |
Created [2] |
Origin |
Meaning of name [3] |
Population (2020)[2] |
Area [2] |
Map |
| Adair County | 001 | Stilwell | 1907 | Cherokee lands[4] | William Penn Adair, Cherokee tribal leader and Confederate colonel in the American Civil War[4] | 19,495 | 576 sq mi (1,492 km2) |  |