Webster County, Iowa Age & Gender Distribution (2024)
Population distribution by age and gender for Webster County, Iowa
Webster County, Iowa Age & Gender Statistics (2024)
Total Population
36,886
Median Age
39.7
Male Median
36.6
Female Median
42.5
Webster County, Iowa Population Growth

Webster County, Iowa Demographic Trend
Since 2010, the population of has changed by -3.7%%.
-3.7%% Growth
Webster County, Iowa Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Webster County, Iowa Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 39.7 | 36,886 |
| 2023 | 39.8 | 36,848 |
| 2022 | 39.8 | 36,986 |
| 2021 | 39.2 | 37,114 |
| 2020 | 39.3 | 36,348 |
| 2019 | 39.0 | 36,545 |
| 2018 | 39.1 | 36,757 |
| 2017 | 39.6 | 36,945 |
| 2016 | 39.5 | 37,050 |
| 2015 | 39.7 | 37,295 |
| 2014 | 39.9 | 37,399 |
| 2013 | 40.0 | 37,626 |
| 2012 | 40.0 | 37,895 |
| 2011 | 40.1 | 38,105 |
| 2010 | 39.9 | 38,286 |
Webster County, Iowa Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.7% |
| 5–17 | 15.7% |
| 18–24 | 11.4% |
| 25–34 | 11.9% |
| 35–54 | 22.4% |
| 55–64 | 13.0% |
| 65+ | 19.9% |
Dependency Ratios for Webster County, Iowa
- Total Dependency Ratio:
- 70.2
- Youth Dependency:
- 36.4
- Old-Age Dependency:
- 33.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Webster County, Iowa
The median age in Webster County, Iowa is 39.7 years.
According to latest Census data, the total population of Webster County, Iowa is 36,886.
In Webster County, Iowa, seniors (ages 65+) make up 19.9% of the population, while children under 18 represent 15.7%.
Based on historical data since 2010, the population in Webster County, Iowa has remained stable.