The median income of Perkins County residents was $26,930 per year, adjusted for inflation. It had 1,285 households with a population of 2,907.
The county with the highest median resident income in the state was Lincoln County with $38,823 per year after adjusting for inflation – $11,893 more than Perkins County. It had 19,294 households with a population of 54,914.
The county with the lowest median resident income in the state was Oglala Lakota County with $13,794 per year after adjusting for inflation – $13,136 less than Perkins County. It had 2,820 households with a population of 14,335.
South Dakota counties by earnings per resident (2018)
| Rank | County | Earnings per resident |
|---|---|---|
| 1 | Lincoln County | $38,823 |
| 2 | Sully County | $38,581 |
| 3 | Hughes County | $38,042 |
| 4 | Union County | $36,380 |
| 5 | Stanley County | $36,265 |
| 6 | Edmunds County | $33,281 |
| 7 | Aurora County | $32,329 |
| 8 | Minnehaha County | $32,184 |
| 9 | Brown County | $31,997 |
| 10 | Hand County | $31,898 |
| 11 | Hyde County | $31,733 |
| 12 | Hanson County | $31,679 |
| 13 | Hamlin County | $31,564 |
| 14 | Kingsbury County | $31,456 |
| 15 | Harding County | $31,454 |
| 16 | Marshall County | $31,396 |
| 17 | Custer County | $31,178 |
| 18 | Grant County | $31,136 |
| 19 | Turner County | $31,125 |
| 20 | Campbell County | $31,094 |
| 21 | Deuel County | $30,956 |
| 22 | McCook County | $30,750 |
| 23 | Beadle County | $30,569 |
| 24 | Moody County | $30,521 |
| 25 | Codington County | $30,466 |
| 26 | Spink County | $30,231 |
| 27 | Jones County | $30,203 |
| 28 | Meade County | $30,092 |
| 29 | Walworth County | $29,821 |
| 30 | Davison County | $29,647 |
| 31 | Sanborn County | $29,136 |
| 32 | Miner County | $29,000 |
| 33 | Faulk County | $28,986 |
| 34 | Pennington County | $28,832 |
| 35 | Yankton County | $28,788 |
| 36 | Potter County | $27,778 |
| 37 | Hutchinson County | $27,383 |
| 38 | Lake County | $27,323 |
| 39 | Lawrence County | $27,199 |
| 40 | Tripp County | $27,128 |
| 41 | Perkins County | $26,930 |
| 42 | Douglas County | $26,843 |
| 43 | Fall River County | $26,779 |
| 44 | Jerauld County | $26,461 |
| 45 | Brule County | $26,221 |
| 46 | Day County | $25,942 |
| 47 | Clark County | $25,703 |
| 48 | Roberts County | $25,666 |
| 49 | Dewey County | $25,442 |
| 50 | Brookings County | $25,192 |
| 51 | Gregory County | $25,038 |
| 52 | Butte County | $24,667 |
| 53 | Bon Homme County | $24,554 |
| 54 | Charles Mix County | $24,367 |
| 55 | Lyman County | $24,254 |
| 56 | Bennett County | $24,038 |
| 57 | McPherson County | $22,012 |
| 58 | Haakon County | $22,005 |
| 59 | Ziebach County | $20,405 |
| 60 | Corson County | $17,645 |
| 61 | Clay County | $17,152 |
| 62 | Jackson County | $16,732 |
| 63 | Todd County | $16,514 |
| 64 | Mellette County | $16,445 |
| 65 | Buffalo County | $15,118 |
| 66 | Oglala Lakota County | $13,794 |
* All values are inflation-adjusted
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