Delaware County, Iowa Age & Gender Distribution (2024)
Population distribution by age and gender for Delaware County, Iowa
Delaware County, Iowa Age & Gender Statistics (2024)
Total Population
17,558
Median Age
43.4
Male Median
43.1
Female Median
44.3
Delaware County, Iowa Population Growth
Delaware County, Iowa Demographic Trend
Since 2010, the population of has changed by -1.7%%.
-1.7%% Growth
Delaware County, Iowa Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Delaware County, Iowa Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 43.4 | 17,558 |
| 2023 | 44.0 | 17,549 |
| 2022 | 43.5 | 17,523 |
| 2021 | 43.7 | 17,508 |
| 2020 | 43.7 | 17,107 |
| 2019 | 43.8 | 17,183 |
| 2018 | 43.6 | 17,258 |
| 2017 | 43.4 | 17,326 |
| 2016 | 43.2 | 17,445 |
| 2015 | 43.1 | 17,507 |
| 2014 | 42.3 | 17,578 |
| 2013 | 41.9 | 17,665 |
| 2012 | 41.9 | 17,721 |
| 2011 | 41.4 | 17,804 |
| 2010 | 40.9 | 17,857 |
Delaware County, Iowa Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.8% |
| 5–17 | 17.4% |
| 18–24 | 7.1% |
| 25–34 | 10.1% |
| 35–54 | 22.6% |
| 55–64 | 15.4% |
| 65+ | 21.6% |
Dependency Ratios for Delaware County, Iowa
- Total Dependency Ratio:
- 81.2
- Youth Dependency:
- 42.1
- Old-Age Dependency:
- 39.1
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Delaware County, Iowa
The median age in Delaware County, Iowa is 43.4 years.
According to latest Census data, the total population of Delaware County, Iowa is 17,558.
In Delaware County, Iowa, seniors (ages 65+) make up 21.6% of the population, while children under 18 represent 17.4%.
Based on historical data since 2010, the population in Delaware County, Iowa is aging.