Iowa City, IA population age distributions
A complete breakdown of Iowa City'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 | 3,194 | 4.27% |
| 5 to 9 years | 2,990 | 3.99% |
| 10 to 14 years | 2,993 | 4% |
| 15 to 19 years | 8,570 | 11.45% |
| 20 to 24 years | 18,353 | 24.51% |
| 25 to 29 years | 6,340 | 8.47% |
| 30 to 34 years | 4,287 | 5.73% |
| 35 to 39 years | 4,055 | 5.42% |
| 40 to 44 years | 3,580 | 4.78% |
| 45 to 49 years | 3,278 | 4.38% |
| 50 to 54 years | 2,968 | 3.96% |
| 55 to 59 years | 2,599 | 3.47% |
| 60 to 64 years | 3,080 | 4.11% |
| 65 to 69 years | 2,957 | 3.95% |
| 70 to 74 years | 2,182 | 2.91% |
| 75 to 79 years | 1,364 | 1.82% |
| 80 to 84 years | 844 | 1.13% |
| 85 years and over | 1,244 | 1.66% |
TABLE OF CONTENTS
Iowa City, IA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Iowa City, IA population by age group.
The largest age group is 20 to 24 years with a population of 18,353 (24.51% of the total population).
The largest age group in Iowa City, IA was for the group of age 20 to 24 years with a population of 18,353 (24.51%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Iowa City, IA was the 80 to 84 years with a population of 844 (1.13%).
Iowa City, IA population by age cohort
To better understand the age distribution of Iowa City, IA'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 City, IA population by age cohort
The largest age group was 18 to 64 years with a population of 55,524 (74.15% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Iowa City 's population under 18 was 14.37%, compared to the 22.11% nationwide.
- Iowa City's working population (between 18 and 64) was 74.15%, compared to 61.36% nationwide.
- Iowa City's elderly or the senior population (over 65 age) was 11.47% as compared to 16.53% nationwide.
Iowa City, IA population pyramid
Population pyramid for Iowa City, IA 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 City's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Iowa City, IA, is 16.1.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Iowa City, IA, is 15.0.
- Total dependency ratio for Iowa City, IA is 31.1.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Iowa City, IA is 6.6.
FIGURE 3
Iowa City, IA population pyramid
Iowa City population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Iowa City, IA population pyramid
Here's the Iowa City, IA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 1,824 | 1,370 | 3,194 |
| 5 to 9 years | 1,687 | 1,303 | 2,990 |
| 10 to 14 years | 1,468 | 1,525 | 2,993 |
| 15 to 19 years | 3,666 | 4,904 | 8,570 |
| 20 to 24 years | 8,728 | 9,625 | 18,353 |
| 25 to 29 years | 3,456 | 2,884 | 6,340 |
| 30 to 34 years | 2,379 | 1,908 | 4,287 |
| 35 to 39 years | 2,164 | 1,891 | 4,055 |
| 40 to 44 years | 1,715 | 1,865 | 3,580 |
| 45 to 49 years | 1,721 | 1,557 | 3,278 |
| 50 to 54 years | 1,561 | 1,407 | 2,968 |
| 55 to 59 years | 1,348 | 1,251 | 2,599 |
| 60 to 64 years | 1,487 | 1,593 | 3,080 |
| 65 to 69 years | 1,471 | 1,486 | 2,957 |
| 70 to 74 years | 1,016 | 1,166 | 2,182 |
| 75 to 79 years | 626 | 738 | 1,364 |
| 80 to 84 years | 304 | 540 | 844 |
| 85 years and over | 483 | 761 | 1,244 |
Things to know
What is the population of Iowa City, IA under 18?
Iowa City's population under the age of 18 is 10,763, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 14.37% of the total resident population of Iowa City, IA.
What is the aging population in Iowa City, IA?
Iowa City's population aged 65 years and above was 8,591. As per the U.S. Census Bureau's American Community Survey, this population is 11.47% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates