Ranking of Iowa Cities and Places By Percentage of White Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Iowa White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 5.89%. Among all Iowa cities and places with a population of 10K or higher, Storm Lake city had the highest percentage of its White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (18.21%), followed by Marshalltown city (13.30%), and Council Bluffs city (11.63%).

The chart below shows the top 10 Iowa cities and places (with a population of 10K+), and the table below shows the ranking of all Iowa cities and places (with a population of 10K+).

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Iowa Cities and Places By Percentage of White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Storm Lake city
Marshalltown city
Council Bluffs city
Muscatine city
Fort Dodge city
Ottumwa city
Clinton city
Sioux City city
Waterloo city
Des Moines city
Ranking of Iowa Cities and Places By Percentage of White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank City of Place Percentage of Population (Aged 25yrs+) (%)
1 Storm Lake city 18.21
2 Marshalltown city 13.30
3 Council Bluffs city 11.63
4 Muscatine city 11.36
5 Fort Dodge city 10.55
6 Ottumwa city 10.13
7 Clinton city 9.96
8 Sioux City city 9.91
9 Waterloo city 8.31
10 Des Moines city 8.05
11 Fort Madison city 7.61
12 Burlington city 7.34
13 Oskaloosa city 7.24
14 Boone city 7.12
15 Newton city 6.96
16 Mason City city 6.08
17 Davenport city 6.07
18 Dubuque city 5.98
19 Pella city 5.81
20 Carroll city 5.71
21 Cedar Rapids city 4.68
22 Spencer city 3.99
23 Altoona city 3.79
24 Waverly city 3.57
25 Indianola city 3.21
26 Le Mars city 2.99
27 Cedar Falls city 2.96
28 Marion city 2.75
29 Urbandale city 2.62
30 Ames city 2.49
31 Bettendorf city 2.38
32 West Des Moines city 2.33
33 Pleasant Hill city 2.17
34 North Liberty city 2.00
35 Grimes city 1.87
36 Iowa City city 1.82
37 Ankeny city 1.72
38 Norwalk city 1.71
39 Waukee city 1.52
40 Coralville city 1.46
41 Clive city 1.40
42 Johnston city 0.94