Ranking of Iowa Cities and Places By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Iowa (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 30.61%. Among all Iowa cities and places with a population of 10K or higher, Fort Madison city had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (42.37%), followed by Newton city (40.93%), and Oskaloosa city (38.42%).

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.

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

You may also be interested in:
Ranking of Iowa Cities and Places By Population with Educational Attainment of High School Graduate or Equivalent in 2021
Iowa Educational Attainment and Per Gender in 2021

Related Topics: Iowa ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census - ACS 5-Year Estimates.

Ranking of Iowa Cities and Places By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021

Fort Madison city

Newton city

Oskaloosa city

Clinton city

Fort Dodge city

Muscatine city

Mason City city

Boone city

Ottumwa city

Spencer city

Ranking of Iowa Cities and Places By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021

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Rank	City of Place	Percentage of Population (Aged 25yrs+) (%)
1	Fort Madison city	42.37
2	Newton city	40.93
3	Oskaloosa city	38.42
4	Clinton city	37.23
5	Fort Dodge city	36.48
6	Muscatine city	36.30
7	Mason City city	35.48
8	Boone city	35.07
9	Ottumwa city	34.87
10	Spencer city	34.40
11	Waterloo city	33.62
12	Le Mars city	33.53
13	Altoona city	33.29
14	Marshalltown city	33.12
15	Burlington city	32.88
16	Council Bluffs city	32.72
17	Sioux City city	32.68
18	Pleasant Hill city	32.44
19	Dubuque city	31.68
20	Grimes city	31.40
21	Davenport city	31.38
22	Carroll city	30.48
23	Des Moines city	29.56
24	Storm Lake city	28.60
25	Pella city	26.85
26	Indianola city	26.62
27	Waverly city	26.36
28	Cedar Rapids city	25.73
29	Marion city	25.16
30	Norwalk city	23.50
31	Cedar Falls city	18.71
32	Urbandale city	18.08
33	Bettendorf city	18.04
34	Johnston city	16.98
35	West Des Moines city	16.24
36	Ankeny city	16.13
37	Waukee city	13.73
38	Iowa City city	13.64
39	Coralville city	12.28
40	Ames city	12.11
41	Clive city	11.75
42	North Liberty city	11.10