The median income of Jefferson County residents was $27,664 per year, adjusted for inflation. It had 260,924 households with a population of 659,892.
The county with the highest median resident income in the state was Shelby County with $35,756 per year after adjusting for inflation – $8,092 more than Jefferson County. It had 78,328 households with a population of 211,261.
The county with the lowest median resident income in the state was Sumter County with $14,525 per year after adjusting for inflation – $13,139 less than Jefferson County. It had 5,047 households with a population of 12,985.
Alabama counties by earnings per resident (2018)
| Rank | County | Earnings per resident |
|---|---|---|
| 1 | Shelby County | $35,756 |
| 2 | Madison County | $31,819 |
| 3 | Autauga County | $29,667 |
| 4 | Baldwin County | $28,632 |
| 5 | Elmore County | $28,458 |
| 6 | Jefferson County | $27,664 |
| 7 | Limestone County | $27,033 |
| 8 | St. Clair County | $26,955 |
| 9 | Coffee County | $26,766 |
| 10 | Blount County | $26,509 |
| 11 | Montgomery County | $25,626 |
| 12 | Lauderdale County | $25,519 |
| 13 | Mobile County | $25,308 |
| 14 | Morgan County | $25,215 |
| 15 | Lawrence County | $24,749 |
| 16 | Tuscaloosa County | $24,740 |
| 17 | Colbert County | $24,729 |
| 18 | Chilton County | $24,600 |
| 19 | Lee County | $24,359 |
| 20 | Dale County | $24,357 |
| 21 | Houston County | $24,009 |
| 22 | Covington County | $23,932 |
| 23 | Russell County | $23,681 |
| 24 | Cullman County | $23,467 |
| 25 | Randolph County | $23,169 |
| 26 | Calhoun County | $23,036 |
| 27 | Etowah County | $22,866 |
| 28 | Henry County | $22,656 |
| 29 | Marshall County | $22,617 |
| 30 | Walker County | $22,589 |
| 31 | Franklin County | $22,432 |
| 32 | Jackson County | $22,410 |
| 33 | Cherokee County | $22,353 |
| 34 | Bibb County | $22,298 |
| 35 | Clay County | $22,090 |
| 36 | Chambers County | $22,015 |
| 37 | Talladega County | $21,707 |
| 38 | DeKalb County | $21,487 |
| 39 | Escambia County | $21,402 |
| 40 | Cleburne County | $20,988 |
| 41 | Geneva County | $20,978 |
| 42 | Fayette County | $20,957 |
| 43 | Clarke County | $20,939 |
| 44 | Choctaw County | $20,616 |
| 45 | Marengo County | $20,591 |
| 46 | Monroe County | $20,570 |
| 47 | Winston County | $20,335 |
| 48 | Marion County | $20,208 |
| 49 | Crenshaw County | $20,180 |
| 50 | Pickens County | $19,381 |
| 51 | Dallas County | $19,304 |
| 52 | Coosa County | $19,227 |
| 53 | Pike County | $19,016 |
| 54 | Hale County | $18,239 |
| 55 | Barbour County | $18,138 |
| 56 | Macon County | $17,093 |
| 57 | Sumter County | $14,525 |
* All values are inflation-adjusted
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