The median income of Dubuque County residents was an inflation-adjusted $29,817 per year. Dubuque County had 38,076 households in 2017, with a population of 96,571.
The county with the highest median resident income in the state was Dallas County. Dallas County's median income was $42,700 per year after adjusting for inflation – $12,883 more than Dubuque County. It had 31,363 households in 2017 and a population of 80,864.
Decatur County had the lowest annual resident income among counties in Iowa, with a median income of only $19,872 per year. That was $9,945 less than the median income in Dubuque County at the time. Decatur County had 3,172 households in 2017 and a population of 8,105.
The table below shows the state's counties ranked by median annual resident earnings in 2017.
Rank | County | Earnings per resident ($$$) |
---|---|---|
1 | Dallas County | 42,700 |
2 | Warren County | 36,199 |
3 | Grundy County | 34,954 |
4 | Cedar County | 33,605 |
5 | Polk County | 33,244 |
6 | Plymouth County | 33,159 |
7 | Linn County | 33,022 |
8 | Benton County | 31,804 |
9 | Dickinson County | 31,752 |
10 | Buchanan County | 31,374 |
11 | Mills County | 31,362 |
12 | Harrison County | 31,329 |
13 | Boone County | 31,297 |
14 | Madison County | 31,296 |
15 | Delaware County | 31,213 |
16 | Scott County | 31,192 |
17 | Hamilton County | 31,110 |
18 | Lyon County | 31,068 |
19 | Bremer County | 30,990 |
20 | Hancock County | 30,888 |
21 | O'Brien County | 30,853 |
22 | Jones County | 30,791 |
23 | Pottawattamie County | 30,775 |
24 | Iowa County | 30,560 |
25 | Washington County | 30,504 |
26 | Muscatine County | 30,447 |
27 | Fremont County | 30,274 |
28 | Guthrie County | 30,255 |
29 | Sac County | 30,232 |
30 | Jackson County | 30,202 |
31 | Kossuth County | 30,191 |
32 | Monroe County | 30,167 |
33 | Howard County | 30,157 |
34 | Adair County | 30,084 |
35 | Chickasaw County | 29,932 |
36 | Johnson County | 29,882 |
37 | Dubuque County | 29,817 |
38 | Carroll County | 29,718 |
39 | Butler County | 29,710 |
40 | Ida County | 29,495 |
41 | Shelby County | 29,490 |
42 | Marion County | 29,429 |
43 | Louisa County | 29,410 |
44 | Jasper County | 29,190 |
45 | Tama County | 28,868 |
46 | Clarke County | 28,669 |
47 | Sioux County | 28,664 |
48 | Hardin County | 28,618 |
49 | Humboldt County | 28,519 |
50 | Clinton County | 28,422 |
51 | Cherokee County | 28,340 |
52 | Cerro Gordo County | 28,332 |
53 | Crawford County | 28,177 |
54 | Osceola County | 28,177 |
55 | Palo Alto County | 28,121 |
56 | Winnebago County | 27,903 |
57 | Taylor County | 27,851 |
58 | Mitchell County | 27,747 |
59 | Winneshiek County | 27,623 |
60 | Buena Vista County | 27,623 |
61 | Wright County | 27,621 |
62 | Henry County | 27,480 |
63 | Marshall County | 27,478 |
64 | Clay County | 27,478 |
65 | Adams County | 27,442 |
66 | Clayton County | 27,430 |
67 | Greene County | 27,389 |
68 | Worth County | 27,194 |
69 | Keokuk County | 27,151 |
70 | Franklin County | 27,150 |
71 | Davis County | 27,058 |
72 | Allamakee County | 26,923 |
73 | Pocahontas County | 26,922 |
74 | Lucas County | 26,905 |
75 | Des Moines County | 26,726 |
76 | Woodbury County | 26,665 |
77 | Cass County | 26,607 |
78 | Mahaska County | 26,580 |
79 | Black Hawk County | 26,528 |
80 | Audubon County | 26,494 |
81 | Floyd County | 26,393 |
82 | Poweshiek County | 26,247 |
83 | Union County | 26,244 |
84 | Montgomery County | 25,731 |
85 | Van Buren County | 25,636 |
86 | Lee County | 25,531 |
87 | Emmet County | 25,521 |
88 | Fayette County | 25,391 |
89 | Wapello County | 25,164 |
90 | Page County | 25,099 |
91 | Ringgold County | 24,970 |
92 | Wayne County | 24,726 |
93 | Calhoun County | 24,678 |
94 | Appanoose County | 24,086 |
95 | Webster County | 23,802 |
96 | Monona County | 23,711 |
97 | Jefferson County | 22,382 |
98 | Story County | 21,262 |
99 | Decatur County | 19,872 |