Iowa is the thirty-first richest state in the United States of America, with a per capita income of $19,674 (2000).
Iowa counties by per capita income
Note: Data is from the 2010 United States Census Data and the 2006-2010 American Community Survey 5-Year Estimates.
{| class="wikitable sortable"
|- valign=bottom
! Rank
! County
! Per capita<br>income
! Median<br>household<br>income
! Median<br>family<br>income
! Population
! Number of<br>households
|-
| 1
| Dallas
| $33,051
| $67,037
| $84,018
| 66,135
| 25,240
|-
| 2
| Dickinson
| $29,459
| $50,174
| $59,648
| 16,667
| 7,554
|-
| 3
| Polk
| $29,246
| $56,094
| $70,445
| 430,640
| 170,197
|-
| 4
| Warren
| $28,798
| $62,034
| $74,042
| 46,225
| 17,262
|-
| 5
| Linn
| $28,239
| $53,674
| $69,250
| 211,226
| 86,134
|-
| 6
| Plymouth
| $28,060
| $56,379
| $69,261
| 24,986
| 9,875
|-
| 7
| Johnson
| $28,008
| $51,380
| $74,547
| 130,882
| 52,715
|-
| 8
| Kossuth
| $27,415
| $48,277
| $61,012
| 15,543
| 6,697
|-
| 9
| Scott
| $27,408
| $49,964
| $64,513
| 165,224
| 66,765
|-
|
| United States
| $27,334
| $51,914
| $62,982
| 308,745,538
| 116,716,292
|-
| 10
| Worth
| $27,240
| $49,673
| $56,659
| 7,598
| 3,172
|-
| 11
| Grundy
| $26,916
| $56,184
| $68,151
| 12,453
| 5,131
|-
| 12
| Iowa County
| $26,721
| $56,053
| $64,578
| 16,355
| 6,677
|-
| 13
| Guthrie
| $26,590
| $50,090
| $61,951
| 10,954
| 4,544
|-
| 14
| Bremer
| $26,522
| $55,676
| $68,602
| 24,276
| 9,385
|-
| 15
| Boone
| $25,998
| $49,578
| $66,872
| 26,306
| 10,728
|-
| 16
| Madison
| $25,711
| $53,183
| $67,099
| 15,679
| 6,025
|-
| 17
| Cerro Gordo
| $25,463
| $44,741
| $60,148
| 44,151
| 19,350
|-
| 18
| Story
| $25,450
| $48,248
| $74,278
| 89,542
| 34,736
|-
| 19
| Mills
| $25,400
| $59,481
| $73,532
| 15,059
| 5,605
|-
| 20
| Clay
| $25,398
| $43,542
| $56,460
| 16,667
| 7,282
|-
|
| Iowa State
| $25,335
| $48,872
| $61,804
| 3,046,355
| 1,221,576
|-
| 21
| Poweshiek
| $25,218
| $50,998
| $65,744
| 18,914
| 7,555
|-
| 22
| Benton
| $25,111
| $54,726
| $64,970
| 26,076
| 10,302
|-
| 23
| Carroll
| $25,094
| $47,507
| $61,960
| 20,816
| 8,683
|-
| 24
| Dubuque
| $25,045
| $48,573
| $61,138
| 93,653
| 36,815
|-
| 25
| O'Brien
| $24,771
| $44,018
| $59,391
| 14,398
| 6,069
|-
| 26
| Hamilton
| $24,765
| $46,188
| $61,472
| 15,673
| 6,540
|-
| 27
| Cedar
| $24,742
| $54,321
| $63,893
| 18,499
| 7,511
|-
| 28
| Marion
| $24,613
| $53,370
| $65,817
| 33,309
| 12,723
|-
| 29
| Humboldt
| $24,568
| $45,282
| $57,063
| 9,815
| 4,209
|-
| 30
| Cherokee
| $24,507
| $44,635
| $56,696
| 12,072
| 5,207
|-
| 31
| Emmet
| $24,371
| $42,286
| $55,844
| 10,302
| 4,236
|-
| 32
| Harrison
| $24,221
| $51,303
| $63,283
| 14,928
| 5,987
|-
| 33
| Audubon
| $24,207
| $42,717
| $58,641
| 6,119
| 2,617
|-
| 34
| Hardin
| $24,154
| $44,694
| $57,612
| 17,534
| 7,296
|-
| 35
| Muscatine
| $24,138
| $51,025
| $61,445
| 42,745
| 16,412
|-
| 36
| Butler
| $24,030
| $47,702
| $59,641
| 14,867
| 6,120
|-
| 37
| Washington
| $23,979
| $50,710
| $60,466
| 21,704
| 8,741
|-
| 38
| Greene
| $23,947
| $43,286
| $60,133
| 9,336
| 3,996
|-
| 39
| Jefferson
| $23,853
| $44,167
| $55,352
| 16,843
| 6,846
|-
| 40
| Ida
| $23,841
| $44,521
| $58,635
| 7,089
| 3,052
|-
| 41
| Sac
| $23,837
| $42,986
| $54,304
| 10,350
| 4,482
|-
| 42
| Pottawattamie
| $23,782
| $48,728
| $60,354
| 93,158
| 36,775
|-
| 43
| Fremont
| $23,612
| $47,225
| $59,622
| 7,441
| 3,064
|-
| 44
| Winneshiek
| $23,608
| $50,693
| $61,558
| 21,056
| 7,997
|-
| 45
| Clinton
| $23,573
| $46,170
| $58,681
| 49,116
| 20,223
|-
| 46
| Adams
| $23,549
| $40,368
| $52,782
| 4,029
| 1,715
|-
| 47
| Adair
| $23,497
| $45,202
| $57,287
| 7,682
| 3,292
|-
| 48
| Buchanan
| $23,437
| $51,961
| $61,421
| 20,958
| 8,161
|-
| 49
| Pocahontas
| $23,385
| $42,105
| $56,250
| 7,310
| 3,233
|-
| 50
| Black Hawk
| $23,357
| $44,178
| $57,495
| 131,090
| 52,470
|-
| 51
| Clarke
| $23,271
| $45,596
| $54,707
| 9,286
| 3,701
|-
| 52
| Jasper
| $23,160
| $46,396
| $56,484
| 36,842
| 14,806
|-
| 53
| Palo Alto
| $23,071
| $42,800
| $57,208
| 9,421
| 3,994
|-
| 54
| Wright
| $23,068
| $44,035
| $53,890
| 13,229
| 5,625
|-
| 55
| Osceola
| $23,063
| $43,889
| $58,286
| 6,462
| 2,682
|-
| 56
| Henry
| $23,056
| $41,983
| $53,985
| 20,145
| 7,666
|-
| 57
| Calhoun
| $23,049
| $41,611
| $50,037
| 9,670
| 4,242
|-
| 58
| Tama
| $23,041
| $46,288
| $55,011
| 17,767
| 6,947
|-
| 59
| Jackson
| $23,008
| $42,489
| $54,210
| 19,848
| 8,289
|-
| 60
| Jones
| $22,873
| $47,955
| $59,167
| 20,638
| 8,181
|-
| 61
| Mitchell
| $22,820
| $48,506
| $63,356
| 10,776
| 4,395
|-
| 62
| Monona
| $22,774
| $41,398
| $51,098
| 9,243
| 4,050
|-
| 63
| Hancock
| $22,713
| $47,318
| $55,922
| 11,341
| 4,741
|-
| 64
| Winnebago
| $22,684
| $41,871
| $58,700
| 10,866
| 4,597
|-
| 65
| Webster
| $22,653
| $40,806
| $54,129
| 38,013
| 15,580
|-
| 66
| Delaware
| $22,578
| $47,078
| $59,802
| 17,764
| 7,062
|-
| 67
| Des Moines
| $22,555
| $41,937
| $53,946
| 40,325
| 17,003
|-
| 68
| Franklin
| $22,507
| $44,863
| $52,917
| 10,680
| 4,332
|-
| 69
| Chickasaw
| $22,447
| $41,372
| $50,530
| 12,439
| 5,204
|-
| 70
| Howard
| $22,417
| $46,068
| $55,582
| 9,566
| 3,944
|-
| 71
| Marshall
| $22,407
| $45,232
| $55,716
| 40,648
| 15,538
|-
| 72
| Shelby
| $22,389
| $44,085
| $55,523
| 12,167
| 5,085
|-
| 73
| Wapello
| $22,376
| $40,093
| $49,309
| 35,625
| 14,552
|-
| 74
| Clayton
| $22,303
| $45,873
| $53,905
| 18,129
| 7,599
|-
| 75
| Keokuk
| $22,088
| $42,698
| $53,456
| 10,511
| 4,408
|-
| 76
| Woodbury
| $22,069
| $44,343
| $55,957
| 102,172
| 39,052
|-
| 77
| Davis
| $21,970
| $46,597
| $52,855
| 8,753
| 3,201
|-
| 78
| Ringgold
| $21,858
| $42,336
| $51,269
| 5,131
| 2,047
|-
| 79
| Cass
| $21,787
| $40,820
| $48,884
| 13,956
| 5,980
|-
| 80
| Lyon
| $21,613
| $49,506
| $57,348
| 11,581
| 4,442
|-
| 81
| Mahaska
| $21,568
| $45,025
| $57,877
| 22,381
| 8,975
|-
| 82
| Fayette
| $21,566
| $41,055
| $52,627
| 20,880
| 8,634
|-
| 83
| Floyd
| $21,416
| $39,467
| $52,808
| 16,303
| 6,886
|-
| 84
| Allamakee
| $21,349
| $46,623
| $55,926
| 14,330
| 5,845
|-
| 85
| Taylor
| $21,335
| $40,300
| $48,156
| 6,317
| 2,679
|-
| 86
| Sioux
| $21,333
| $51,557
| $60,043
| 33,704
| 11,584
|-
| 87
| Lee
| $21,324
| $42,444
| $50,630
| 35,862
| 14,610
|-
| 88
| Montgomery
| $21,301
| $38,624
| $50,595
| 10,740
| 4,558
|-
| 89
| Buena Vista
| $21,256
| $43,182
| $53,382
| 20,260
| 7,522
|-
| 90
| Monroe
| $21,228
| $43,245
| $53,052
| 7,970
| 3,213
|-
| 91
| Page
| $21,204
| $40,778
| $52,791
| 15,932
| 6,393
|-
| 92
| Crawford
| $21,181
| $44,377
| $53,794
| 17,096
| 6,413
|-
| 93
| Union
| $20,435
| $40,879
| $50,546
| 12,534
| 5,271
|-
| 94
| Louisa
| $20,367
| $50,457
| $54,923
| 11,387
| 4,346
|-
| 95
| Van Buren
| $20,209
| $40,073
| $50,064
| 7,570
| 3,108
|-
| 96
| Appanoose
| $20,084
| $34,689
| $41,250
| 12,887
| 5,627
|-
| 97
| Lucas
| $19,967
| $43,005
| $56,647
| 8,898
| 3,689
|-
| 98
| Wayne
| $18,795
| $35,425
| $44,784
| 6,403
| 2,652
|-
| 99
| Decatur
| $18,195
| $37,138
| $48,015
| 8,457
| 3,223
|-
|}