The median income of Marquette County residents was $26,510 per year, adjusted for inflation. It had 26,552 households with a population of 66,686.
The county with the highest median resident income in the state was Oakland County with $39,352 per year after adjusting for inflation – $12,842 more than Marquette County. It had 504,585 households with a population of 1,253,185.
The county with the lowest median resident income in the state was Isabella County with $18,007 per year after adjusting for inflation – $8,503 less than Marquette County. It had 24,739 households with a population of 70,688.
Michigan counties by earnings per resident (2019)
| Rank | County | Earnings per resident |
|---|---|---|
| 1 | Oakland County | $39,352 |
| 2 | Livingston County | $38,524 |
| 3 | Clinton County | $35,099 |
| 4 | Washtenaw County | $33,914 |
| 5 | Eaton County | $33,721 |
| 6 | Leelanau County | $32,008 |
| 7 | Barry County | $31,940 |
| 8 | Macomb County | $31,619 |
| 9 | Monroe County | $31,107 |
| 10 | Kent County | $30,869 |
| 11 | Midland County | $30,833 |
| 12 | Allegan County | $30,827 |
| 13 | Grand Traverse County | $30,814 |
| 14 | Ottawa County | $30,688 |
| 15 | Lapeer County | $30,352 |
| 16 | Ionia County | $29,878 |
| 17 | Shiawassee County | $29,626 |
| 18 | Dickinson County | $29,516 |
| 19 | Cass County | $29,198 |
| 20 | Emmet County | $29,031 |
| 21 | Charlevoix County | $29,017 |
| 22 | St. Clair County | $28,654 |
| 23 | Lenawee County | $28,228 |
| 24 | Keweenaw County | $28,204 |
| 25 | Jackson County | $28,006 |
| 26 | Kalamazoo County | $27,981 |
| 27 | St. Joseph County | $27,909 |
| 28 | Benzie County | $27,368 |
| 29 | Branch County | $27,280 |
| 30 | Van Buren County | $27,226 |
| 31 | Berrien County | $27,125 |
| 32 | Antrim County | $27,113 |
| 33 | Bay County | $27,109 |
| 34 | Genesee County | $26,871 |
| 35 | Huron County | $26,855 |
| 36 | Otsego County | $26,743 |
| 37 | Wayne County | $26,659 |
| 38 | Marquette County | $26,510 |
| 39 | Muskegon County | $26,491 |
| 40 | Calhoun County | $26,362 |
| 41 | Hillsdale County | $26,318 |
| 42 | Delta County | $26,120 |
| 43 | Mason County | $26,094 |
| 44 | Ingham County | $26,089 |
| 45 | Menominee County | $25,843 |
| 46 | Sanilac County | $25,829 |
| 47 | Tuscola County | $25,806 |
| 48 | Gratiot County | $25,803 |
| 49 | Saginaw County | $25,778 |
| 50 | Montcalm County | $25,605 |
| 51 | Newaygo County | $25,457 |
| 52 | Baraga County | $25,371 |
| 53 | Presque Isle County | $25,208 |
| 54 | Mackinac County | $25,157 |
| 55 | Manistee County | $25,053 |
| 56 | Missaukee County | $24,963 |
| 57 | Kalkaska County | $24,739 |
| 58 | Cheboygan County | $24,672 |
| 59 | Alpena County | $24,584 |
| 60 | Oceana County | $24,491 |
| 61 | Iron County | $24,450 |
| 62 | Arenac County | $24,345 |
| 63 | Gladwin County | $24,249 |
| 64 | Crawford County | $24,226 |
| 65 | Wexford County | $24,167 |
| 66 | Oscoda County | $24,163 |
| 67 | Ontonagon County | $24,120 |
| 68 | Osceola County | $23,975 |
| 69 | Iosco County | $23,828 |
| 70 | Alcona County | $23,311 |
| 71 | Luce County | $23,277 |
| 72 | Montmorency County | $23,146 |
| 73 | Roscommon County | $22,948 |
| 74 | Schoolcraft County | $22,869 |
| 75 | Gogebic County | $22,865 |
| 76 | Alger County | $22,430 |
| 77 | Chippewa County | $22,322 |
| 78 | Ogemaw County | $21,906 |
| 79 | Clare County | $21,058 |
| 80 | Houghton County | $20,905 |
| 81 | Mecosta County | $20,605 |
| 82 | Lake County | $18,793 |
| 83 | Isabella County | $18,007 |
* All values are inflation-adjusted
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