Ranking of Iowa Counties By Non-Hispanic White Population in 2021

Updated on August 12, 2024.

Based on the US Census Vintage data estimates, in 2021, among all Iowa counties, Polk County had the highest number of people who identified their ethnicity as Non-Hispanic White (373.23K), followed by Linn County (192.70K), and Scott County (137.48K).

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 Non-Hispanic White Population in 2021
Polk
373.23K
Linn
192.70K
Scott
137.48K
Johnson
118.50K
Black Hawk
103.86K
Dubuque
88.47K
Dallas
86.63K
Story
82.23K
Pottawattamie
80.53K
Woodbury
73.09K
Ranking of Iowa Counties By Non-Hispanic White Population in 2021
Rank
County
Non-Hispanic White Population
1 Polk County 373,233
2 Linn County 192,700
3 Scott County 137,483
4 Johnson County 118,497
5 Black Hawk County 103,862
6 Dubuque County 88,473
7 Dallas County 86,630
8 Story County 82,228
9 Pottawattamie County 80,532
10 Woodbury County 73,086
11 Warren County 49,776
12 Clinton County 41,951
13 Cerro Gordo County 38,094
14 Jasper County 35,026
15 Des Moines County 33,244
16 Muscatine County 32,559
17 Webster County 31,755
18 Marion County 31,432
19 Sioux County 30,214
20 Lee County 30,182
21 Wapello County 27,475
22 Marshall County 27,280
23 Boone County 25,134
24 Benton County 24,579
25 Bremer County 23,632
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