Madison County, Iowa Age & Gender Distribution (2024)
Population distribution by age and gender for Madison County, Iowa
Madison County, Iowa Age & Gender Statistics (2024)
Total Population
16,926
Median Age
40.6
Male Median
39.4
Female Median
41.8
Madison County, Iowa Population Growth
Madison County, Iowa Demographic Trend
Since 2010, the population of has changed by +9.3%%.
+9.3%% Growth
Madison County, Iowa Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Madison County, Iowa Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 40.6 | 16,926 |
| 2023 | 41.0 | 16,760 |
| 2022 | 40.9 | 16,609 |
| 2021 | 40.5 | 16,414 |
| 2020 | 40.8 | 16,148 |
| 2019 | 40.7 | 16,012 |
| 2018 | 40.1 | 15,890 |
| 2017 | 40.8 | 15,720 |
| 2016 | 40.9 | 15,661 |
| 2015 | 40.5 | 15,644 |
| 2014 | 40.4 | 15,629 |
| 2013 | 40.1 | 15,606 |
| 2012 | 39.4 | 15,630 |
| 2011 | 39.4 | 15,591 |
| 2010 | 39.3 | 15,488 |
Madison County, Iowa Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.7% |
| 5–17 | 19.5% |
| 18–24 | 7.1% |
| 25–34 | 9.6% |
| 35–54 | 27.0% |
| 55–64 | 13.5% |
| 65+ | 17.7% |
Dependency Ratios for Madison County, Iowa
- Total Dependency Ratio:
- 75.0
- Youth Dependency:
- 44.0
- Old-Age Dependency:
- 31.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Madison County, Iowa
The median age in Madison County, Iowa is 40.6 years.
According to latest Census data, the total population of Madison County, Iowa is 16,926.
In Madison County, Iowa, seniors (ages 65+) make up 17.7% of the population, while children under 18 represent 19.5%.
Based on historical data since 2010, the population in Madison County, Iowa has remained stable.