Des Moines Sun

Linn County ranked seventh among counties in Iowa by annual earnings per resident, according to data obtained from the U.S. Census Bureau in August.

The median income of Linn County residents was an inflation-adjusted $33,022 per year. Linn County had 89,061 households in 2017, with a population of 220,008.

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 – $9,678 more than Linn 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 $13,150 less than the median income in Linn 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

* All values are inflation-adjusted