Warren County, IA population age distributions
A complete breakdown of Warren County'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 | 2,997 | 5.69% |
| 5 to 9 years | 3,731 | 7.08% |
| 10 to 14 years | 3,858 | 7.32% |
| 15 to 19 years | 3,945 | 7.48% |
| 20 to 24 years | 3,283 | 6.23% |
| 25 to 29 years | 2,792 | 5.3% |
| 30 to 34 years | 3,110 | 5.9% |
| 35 to 39 years | 3,765 | 7.14% |
| 40 to 44 years | 3,506 | 6.65% |
| 45 to 49 years | 3,164 | 6% |
| 50 to 54 years | 3,293 | 6.25% |
| 55 to 59 years | 3,147 | 5.97% |
| 60 to 64 years | 3,468 | 6.58% |
| 65 to 69 years | 2,775 | 5.26% |
| 70 to 74 years | 2,269 | 4.3% |
| 75 to 79 years | 1,353 | 2.57% |
| 80 to 84 years | 1,001 | 1.9% |
| 85 years and over | 1,252 | 2.38% |
TABLE OF CONTENTS
Warren County, IA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Warren County, IA population by age group.
The largest age group is 15 to 19 years with a population of 3,945 (7.48% of the total population).
The largest age group in Warren County, IA was for the group of age 15 to 19 years with a population of 3,945 (7.48%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Warren County, IA was the 80 to 84 years with a population of 1,001 (1.90%).
Warren County, IA population by age cohort
To better understand the age distribution of Warren County, 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
Warren County, IA population by age cohort
The largest age group was 18 to 64 years with a population of 31,189 (59.17% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Warren County 's population under 18 was 24.42%, compared to the 22.11% nationwide.
- Warren County's working population (between 18 and 64) was 59.17%, compared to 61.36% nationwide.
- Warren County's elderly or the senior population (over 65 age) was 16.41% as compared to 16.53% nationwide.
Warren County, IA population pyramid
Population pyramid for Warren County, 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 Warren County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Warren County, IA, is 31.6.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Warren County, IA, is 25.8.
- Total dependency ratio for Warren County, IA is 57.5.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Warren County, IA is 3.9.
FIGURE 3
Warren County, IA population pyramid
Warren County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Warren County, IA population pyramid
Here's the Warren County, IA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 1,545 | 1,452 | 2,997 |
| 5 to 9 years | 2,132 | 1,599 | 3,731 |
| 10 to 14 years | 1,804 | 2,054 | 3,858 |
| 15 to 19 years | 2,065 | 1,880 | 3,945 |
| 20 to 24 years | 1,619 | 1,664 | 3,283 |
| 25 to 29 years | 1,371 | 1,421 | 2,792 |
| 30 to 34 years | 1,527 | 1,583 | 3,110 |
| 35 to 39 years | 1,996 | 1,769 | 3,765 |
| 40 to 44 years | 1,678 | 1,828 | 3,506 |
| 45 to 49 years | 1,579 | 1,585 | 3,164 |
| 50 to 54 years | 1,679 | 1,614 | 3,293 |
| 55 to 59 years | 1,557 | 1,590 | 3,147 |
| 60 to 64 years | 1,753 | 1,715 | 3,468 |
| 65 to 69 years | 1,404 | 1,371 | 2,775 |
| 70 to 74 years | 1,054 | 1,215 | 2,269 |
| 75 to 79 years | 538 | 815 | 1,353 |
| 80 to 84 years | 505 | 496 | 1,001 |
| 85 years and over | 462 | 790 | 1,252 |
Things to know
What is the population of Warren County, IA under 18?
Warren County's population under the age of 18 is 12,870, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 24.42% of the total resident population of Warren County, IA.
What is the aging population in Warren County, IA?
Warren County's population aged 65 years and above was 8,650. As per the U.S. Census Bureau's American Community Survey, this population is 16.41% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates