The median income of Dorchester County residents was $30,604 per year, adjusted for inflation. It had 54,549 households with a population of 155,474.
The county with the highest median resident income in the state was Charleston County with $31,846 per year after adjusting for inflation – $1,242 more than Dorchester County. It had 156,482 households with a population of 394,708.
The county with the lowest median resident income in the state was Allendale County with $17,823 per year after adjusting for inflation – $12,781 less than Dorchester County. It had 3,350 households with a population of 9,214.
South Carolina counties by earnings per resident (2018)
| Rank | County | Earnings per resident |
|---|---|---|
| 1 | Charleston County | $31,846 |
| 2 | York County | $31,169 |
| 3 | Lexington County | $31,122 |
| 4 | Dorchester County | $30,604 |
| 5 | Beaufort County | $29,994 |
| 6 | Berkeley County | $29,922 |
| 7 | Greenville County | $28,744 |
| 8 | Lancaster County | $27,157 |
| 9 | Kershaw County | $27,154 |
| 10 | Richland County | $26,839 |
| 11 | Aiken County | $26,763 |
| 12 | Calhoun County | $26,452 |
| 13 | Anderson County | $25,478 |
| 14 | Spartanburg County | $25,297 |
| 15 | Horry County | $24,999 |
| 16 | Florence County | $24,779 |
| 17 | Newberry County | $24,596 |
| 18 | Oconee County | $23,985 |
| 19 | Georgetown County | $23,964 |
| 20 | Sumter County | $23,432 |
| 21 | Edgefield County | $23,338 |
| 22 | Saluda County | $22,904 |
| 23 | Greenwood County | $22,445 |
| 24 | Chester County | $22,338 |
| 25 | Colleton County | $22,164 |
| 26 | Pickens County | $22,145 |
| 27 | Cherokee County | $21,974 |
| 28 | Jasper County | $21,837 |
| 29 | Chesterfield County | $21,773 |
| 30 | Hampton County | $21,666 |
| 31 | McCormick County | $21,545 |
| 32 | Laurens County | $21,353 |
| 33 | Barnwell County | $21,263 |
| 34 | Darlington County | $21,193 |
| 35 | Union County | $21,035 |
| 36 | Abbeville County | $20,943 |
| 37 | Fairfield County | $20,717 |
| 38 | Orangeburg County | $20,535 |
| 39 | Clarendon County | $20,498 |
| 40 | Bamberg County | $19,771 |
| 41 | Williamsburg County | $19,735 |
| 42 | Marlboro County | $19,335 |
| 43 | Marion County | $19,224 |
| 44 | Lee County | $18,763 |
| 45 | Dillon County | $18,200 |
| 46 | Allendale County | $17,823 |
* All values are inflation-adjusted
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