Iowa population age distributions
A complete breakdown of Iowa's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
Age Group | Population | % of Total Population |
---|---|---|
Under 5 years | 189,797 | 5.95% |
5 to 9 years | 202,667 | 6.36% |
10 to 14 years | 210,434 | 6.6% |
15 to 19 years | 223,107 | 7% |
20 to 24 years | 231,629 | 7.26% |
25 to 29 years | 199,828 | 6.27% |
30 to 34 years | 195,506 | 6.13% |
35 to 39 years | 207,929 | 6.52% |
40 to 44 years | 188,368 | 5.91% |
45 to 49 years | 178,402 | 5.59% |
50 to 54 years | 186,759 | 5.86% |
55 to 59 years | 202,677 | 6.36% |
60 to 64 years | 211,608 | 6.64% |
65 to 69 years | 180,240 | 5.65% |
70 to 74 years | 141,062 | 4.42% |
75 to 79 years | 95,192 | 2.99% |
80 to 84 years | 66,934 | 2.1% |
85 years and over | 76,697 | 2.41% |
TABLE OF CONTENTS
Iowa population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Iowa population by age group.
The largest age group is 20 to 24 years with a population of 231,629 (7.26% of the total population).
The largest age group in Iowa was for the group of age 20 to 24 years with a population of 231,629 (7.26%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Iowa was the 80 to 84 years with a population of 66,934 (2.10%).
Iowa population by age cohort
To better understand the age distribution of Iowa's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
Iowa population by age cohort
The largest age group was 18 to 64 years with a population of 1.9 million (59.53% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Iowa 's population under 18 was 22.90%, compared to the 22.11% nationwide.
- Iowa's working population (between 18 and 64) was 59.53%, compared to 61.36% nationwide.
- Iowa's elderly or the senior population (over 65 age) was 17.57% as compared to 16.53% nationwide.
Iowa population pyramid
Population pyramid for Iowa is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Iowa's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Iowa, is 29.8.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Iowa, is 27.6.
- Total dependency ratio for Iowa is 57.4.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Iowa is 3.6.
FIGURE 3
Iowa population pyramid
Iowa population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Iowa population pyramid
Here's the Iowa's male and female population across different age groups .
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 97,265 | 92,532 | 189,797 |
5 to 9 years | 104,975 | 97,692 | 202,667 |
10 to 14 years | 106,856 | 103,578 | 210,434 |
15 to 19 years | 114,461 | 108,646 | 223,107 |
20 to 24 years | 119,589 | 112,040 | 231,629 |
25 to 29 years | 103,760 | 96,068 | 199,828 |
30 to 34 years | 100,087 | 95,419 | 195,506 |
35 to 39 years | 107,305 | 100,624 | 207,929 |
40 to 44 years | 97,399 | 90,969 | 188,368 |
45 to 49 years | 91,014 | 87,388 | 178,402 |
50 to 54 years | 95,280 | 91,479 | 186,759 |
55 to 59 years | 100,449 | 102,228 | 202,677 |
60 to 64 years | 106,873 | 104,735 | 211,608 |
65 to 69 years | 88,554 | 91,686 | 180,240 |
70 to 74 years | 68,257 | 72,805 | 141,062 |
75 to 79 years | 41,797 | 53,395 | 95,192 |
80 to 84 years | 27,832 | 39,102 | 66,934 |
85 years and over | 26,802 | 49,895 | 76,697 |
Things to know
What is the population of Iowa under 18?
Iowa's population under the age of 18 is 730,318, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.90% of the total resident population of Iowa.
What is the aging population in Iowa?
Iowa's population aged 65 years and above was 560,125. As per the U.S. Census Bureau's American Community Survey, this population is 17.57% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates