Clinton County, Iowa Age & Gender Distribution (2024)
Population distribution by age and gender for Clinton County, Iowa
Clinton County, Iowa Age & Gender Statistics (2024)
Total Population
46,268
Median Age
42.4
Male Median
42.0
Female Median
42.7
Clinton County, Iowa Population Growth

Clinton County, Iowa Demographic Trend
Since 2010, the population of has changed by -6.1%%.
-6.1%% Growth
Clinton County, Iowa Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Clinton County, Iowa Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 42.4 | 46,268 |
| 2023 | 42.5 | 46,383 |
| 2022 | 42.5 | 46,488 |
| 2021 | 42.5 | 46,589 |
| 2020 | 42.8 | 46,734 |
| 2019 | 42.2 | 46,909 |
| 2018 | 42.2 | 47,218 |
| 2017 | 42.2 | 47,587 |
| 2016 | 42.2 | 47,972 |
| 2015 | 42.1 | 48,365 |
| 2014 | 42.2 | 48,663 |
| 2013 | 41.8 | 48,896 |
| 2012 | 41.6 | 49,074 |
| 2011 | 41.1 | 49,185 |
| 2010 | 41.1 | 49,274 |
Clinton County, Iowa Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.6% |
| 5–17 | 17.2% |
| 18–24 | 7.4% |
| 25–34 | 10.9% |
| 35–54 | 23.8% |
| 55–64 | 14.7% |
| 65+ | 20.3% |
Dependency Ratios for Clinton County, Iowa
- Total Dependency Ratio:
- 75.9
- Youth Dependency:
- 40.2
- Old-Age Dependency:
- 35.6
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Clinton County, Iowa
The median age in Clinton County, Iowa is 42.4 years.
According to latest Census data, the total population of Clinton County, Iowa is 46,268.
In Clinton County, Iowa, seniors (ages 65+) make up 20.3% of the population, while children under 18 represent 17.2%.
Based on historical data since 2010, the population in Clinton County, Iowa has remained stable.