Oklahoma Population By County in 2018
Updated on January 27, 2024.
According to the US Census Bureau population estimates, there were 3,943,488 people living in Oklahoma in 2018. Oklahoma[object Promise] County was the most populated county with 790,926 residents, followed by Tulsa[object Promise] County with 648,496 residents, and Cleveland[object Promise] County with 281,559 residents. Cimarron[object Promise] County with a population of 2,165 was the least populated county in Oklahoma in 2018.
Use the map below to interactively explore the population for each county in Oklahoma in 2018. The data can also be explored further by sorting and filtering with the table below.
You can see similar information for other states and by state for the United States.
Related Topics: Oklahoma Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Oklahoma Population By County (2018)
Table of Oklahoma Population By County in 2018
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| County | Population | % of State Population |
|---|---|---|
| Adair | 22,251 | 0.56% |
| Alfalfa | 5,742 | 0.15% |
| Atoka | 13,771 | 0.35% |
| Beaver | 5,313 | 0.14% |
| Beckham | 21,738 | 0.55% |
| Blaine | 9,490 | 0.24% |
| Bryan | 47,290 | 1.20% |
| Caddo | 29,166 | 0.74% |
| Canadian | 144,570 | 3.67% |
| Carter | 48,345 | 1.23% |
| Cherokee | 48,692 | 1.24% |
| Choctaw | 14,666 | 0.37% |
| Cimarron | 2,165 | 0.06% |
| Cleveland | 281,559 | 7.14% |
| Coal | 5,519 | 0.14% |
| Comanche | 121,001 | 3.07% |
| Cotton | 5,798 | 0.15% |
| Craig | 14,273 | 0.36% |
| Creek | 71,693 | 1.82% |
| Custer | 28,930 | 0.73% |
| Delaware | 42,897 | 1.09% |
| Dewey | 4,930 | 0.13% |
| Ellis | 3,942 | 0.10% |
| Garfield | 61,270 | 1.55% |
| Garvin | 27,747 | 0.70% |
| Grady | 55,411 | 1.41% |
| Grant | 4,315 | 0.11% |
| Greer | 5,797 | 0.15% |
| Harmon | 2,688 | 0.07% |
| Harper | 3,746 | 0.10% |
| Haskell | 12,675 | 0.32% |
| Hughes | 13,277 | 0.34% |
| Jackson | 24,695 | 0.63% |
| Jefferson | 6,088 | 0.15% |
| Johnston | 11,003 | 0.28% |
| Kay | 44,047 | 1.12% |
| Kingfisher | 15,916 | 0.40% |
| Kiowa | 8,728 | 0.22% |
| Latimer | 10,155 | 0.26% |
| Le Flore | 50,080 | 1.27% |
| Lincoln | 34,824 | 0.88% |
| Logan | 47,304 | 1.20% |
| Love | 10,109 | 0.26% |
| McClain | 39,855 | 1.01% |
| McCurtain | 32,921 | 0.84% |
| McIntosh | 19,702 | 0.50% |
| Major | 7,609 | 0.19% |
| Marshall | 16,746 | 0.43% |
| Mayes | 41,173 | 1.04% |
| Murray | 13,977 | 0.35% |
| Muskogee | 68,431 | 1.74% |
| Noble | 11,304 | 0.29% |
| Nowata | 10,289 | 0.26% |
| Okfuskee | 12,046 | 0.31% |
| Oklahoma | 790,926 | 20.06% |
| Okmulgee | 38,223 | 0.97% |
| Osage | 47,074 | 1.19% |
| Ottawa | 31,332 | 0.80% |
| Pawnee | 16,372 | 0.42% |
| Payne | 82,198 | 2.08% |
| Pittsburg | 43,842 | 1.11% |
| Pontotoc | 38,328 | 0.97% |
| Pottawatomie | 72,568 | 1.84% |
| Pushmataha | 11,139 | 0.28% |
| Roger Mills | 3,657 | 0.09% |
| Rogers | 91,957 | 2.33% |
| Seminole | 24,529 | 0.62% |
| Sequoyah | 41,651 | 1.06% |
| Stephens | 43,231 | 1.10% |
| Texas | 20,659 | 0.52% |
| Tillman | 7,325 | 0.19% |
| Tulsa | 648,496 | 16.45% |
| Wagoner | 80,218 | 2.03% |
| Washington | 51,881 | 1.32% |
| Washita | 11,064 | 0.28% |
| Woods | 8,872 | 0.23% |
| Woodward | 20,277 | 0.51% |