The median income of Oklahoma County residents was $28,956 per year, adjusted for inflation. It had 299,232 households with a population of 782,051.
The county with the highest median resident income in the state was Canadian County with $32,856 per year after adjusting for inflation – $3,900 more than Oklahoma County. It had 44,633 households with a population of 136,710.
The county with the lowest median resident income in the state was Greer County with $18,022 per year after adjusting for inflation – $10,934 less than Oklahoma County. It had 2,041 households with a population of 5,943.
Oklahoma counties by earnings per resident (2018)
| Rank | County | Earnings per resident |
|---|---|---|
| 1 | Canadian County | $32,856 |
| 2 | McClain County | $31,831 |
| 3 | Rogers County | $31,723 |
| 4 | Kingfisher County | $31,547 |
| 5 | Grant County | $31,309 |
| 6 | Wagoner County | $31,139 |
| 7 | Cleveland County | $30,637 |
| 8 | Cimarron County | $30,039 |
| 9 | Tulsa County | $29,785 |
| 10 | Oklahoma County | $28,956 |
| 11 | Washita County | $28,557 |
| 12 | Grady County | $28,531 |
| 13 | Major County | $28,226 |
| 14 | Woodward County | $28,133 |
| 15 | Logan County | $27,542 |
| 15 | Noble County | $27,542 |
| 17 | Washington County | $27,480 |
| 18 | Osage County | $27,269 |
| 19 | Texas County | $26,963 |
| 20 | Harper County | $26,884 |
| 21 | Garfield County | $26,755 |
| 22 | Pontotoc County | $26,690 |
| 23 | Creek County | $26,636 |
| 24 | Murray County | $26,581 |
| 25 | Carter County | $26,229 |
| 26 | Garvin County | $26,201 |
| 27 | Beaver County | $26,159 |
| 28 | Roger Mills County | $26,023 |
| 29 | Blaine County | $25,921 |
| 30 | Comanche County | $25,521 |
| 31 | Pawnee County | $25,346 |
| 32 | Lincoln County | $25,157 |
| 33 | Coal County | $25,049 |
| 34 | Pittsburg County | $25,047 |
| 35 | Mayes County | $25,001 |
| 36 | Jackson County | $24,887 |
| 37 | Dewey County | $24,862 |
| 38 | Kay County | $24,817 |
| 39 | Love County | $24,786 |
| 40 | Stephens County | $24,503 |
| 41 | Harmon County | $24,476 |
| 42 | Alfalfa County | $24,451 |
| 43 | Woods County | $24,102 |
| 44 | Ellis County | $24,073 |
| 45 | Caddo County | $23,945 |
| 46 | Marshall County | $23,910 |
| 47 | Muskogee County | $23,869 |
| 48 | Custer County | $23,803 |
| 49 | Cotton County | $23,742 |
| 50 | Pottawatomie County | $23,691 |
| 51 | Bryan County | $23,610 |
| 52 | Nowata County | $23,049 |
| 53 | Beckham County | $22,670 |
| 54 | Okmulgee County | $22,188 |
| 55 | Kiowa County | $22,165 |
| 56 | Johnston County | $21,802 |
| 57 | Latimer County | $21,765 |
| 58 | Tillman County | $21,682 |
| 59 | Atoka County | $21,643 |
| 60 | Delaware County | $21,544 |
| 61 | Seminole County | $21,539 |
| 62 | Cherokee County | $21,524 |
| 63 | McIntosh County | $21,485 |
| 64 | Le Flore County | $21,282 |
| 65 | McCurtain County | $21,208 |
| 66 | Craig County | $21,170 |
| 67 | Haskell County | $21,077 |
| 67 | Ottawa County | $21,077 |
| 69 | Hughes County | $21,004 |
| 70 | Jefferson County | $21,002 |
| 71 | Payne County | $20,915 |
| 72 | Okfuskee County | $20,511 |
| 73 | Choctaw County | $20,142 |
| 74 | Pushmataha County | $20,030 |
| 75 | Adair County | $19,786 |
| 76 | Sequoyah County | $19,600 |
| 77 | Greer County | $18,022 |
* All values are inflation-adjusted
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