Ranking of Iowa Counties By White Alone Population in 2022

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2022, among all Iowa counties, Polk County had the highest number of people who identified their race as White Alone (420.26K), followed by Linn County (199.33K), and Scott County (147.15K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties.

You can see similar ranking information for other racial and ethnicity groups in the United States.

You can also see similar information for other states, and also the ranking of all counties in the United States.

See this for other years:
Ranking of Iowa Counties By White Alone Population in 2022
Polk
Linn
Scott
Johnson
Black Hawk
Dallas
Dubuque
Woodbury
Pottawattamie
Story
Ranking of Iowa Counties By White Alone Population in 2022
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Rank County White Alone Population
1 Polk County 420261
2 Linn County 199332
3 Scott County 147149
4 Johnson County 128739
5 Black Hawk County 108627
6 Dallas County 96059
7 Dubuque County 90720
8 Woodbury County 89174
9 Pottawattamie County 87208
10 Story County 85240
11 Warren County 52123
12 Clinton County 43042
13 Cerro Gordo County 39793
14 Muscatine County 39401
15 Jasper County 36053
16 Marshall County 35841
17 Sioux County 34848
18 Des Moines County 33901
19 Webster County 33145
20 Marion County 32268
21 Wapello County 31047
22 Lee County 30728
23 Boone County 25576
24 Benton County 24932
25 Plymouth County 24165
26 Bremer County 24157
27 Washington County 21653
28 Mahaska County 20740
29 Buchanan County 20089
30 Jones County 19890
31 Carroll County 19845
32 Winneshiek County 19238
33 Henry County 18678
34 Jackson County 18556
35 Fayette County 18352
36 Cedar County 17712
37 Poweshiek County 17453
38 Dickinson County 17423
39 Delaware County 17195
40 Clayton County 16595
41 Buena Vista County 16481
42 Madison County 16480
43 Iowa County 16026
44 Clay County 15857
45 Hardin County 15811
46 Tama County 14740
47 Crawford County 14588
48 Floyd County 14378
49 Harrison County 14274
50 Page County 14214
51 Mills County 14019
52 Kossuth County 13913
53 Hamilton County 13829
54 Butler County 13823
55 Jefferson County 13646
56 O'Brien County 13423
57 Allamakee County 13400
58 Cass County 12630
59 Wright County 12081
60 Grundy County 12038
61 Lyon County 11766
62 Appanoose County 11671
63 Chickasaw County 11436
64 Union County 11362
65 Shelby County 11204
66 Cherokee County 11007
67 Guthrie County 10338
68 Hancock County 10310
69 Mitchell County 10275
70 Winnebago County 10108
71 Montgomery County 9880
72 Louisa County 9845
73 Keokuk County 9605
74 Franklin County 9471
75 Sac County 9381
76 Calhoun County 9243
77 Howard County 9198
78 Humboldt County 9188
79 Clarke County 9093
80 Davis County 8939
81 Emmet County 8688
82 Lucas County 8457
83 Palo Alto County 8396
84 Greene County 8386
85 Monona County 8114
86 Decatur County 7292
87 Monroe County 7289
88 Adair County 7227
89 Van Buren County 7075
90 Worth County 7052
91 Pocahontas County 6696
92 Ida County 6665
93 Wayne County 6305
94 Fremont County 6233
95 Osceola County 5790
96 Taylor County 5698
97 Audubon County 5404
98 Ringgold County 4531
99 Adams County 3487