Story County, Iowa Age & Gender Distribution (2024)
Population distribution by age and gender for Story County, Iowa
Story County, Iowa Age & Gender Statistics (2024)
Total Population
100,466
Median Age
26.9
Male Median
26.2
Female Median
28.0
Story County, Iowa Population Growth
Story County, Iowa Demographic Trend
Since 2010, the population of has changed by +14.7%%.
+14.7%% Growth
Story County, Iowa Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Story County, Iowa Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 26.9 | 100,466 |
| 2023 | 27.0 | 98,592 |
| 2022 | 26.5 | 98,573 |
| 2021 | 26.9 | 98,106 |
| 2020 | 26.8 | 97,355 |
| 2019 | 26.6 | 96,941 |
| 2018 | 26.3 | 96,922 |
| 2017 | 25.9 | 95,888 |
| 2016 | 25.8 | 94,834 |
| 2015 | 25.9 | 93,586 |
| 2014 | 26.5 | 91,939 |
| 2013 | 26.5 | 90,750 |
| 2012 | 26.5 | 89,734 |
| 2011 | 26.5 | 88,577 |
| 2010 | 26.4 | 87,594 |
Story County, Iowa Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.2% |
| 5–17 | 12.0% |
| 18–24 | 30.9% |
| 25–34 | 12.8% |
| 35–54 | 18.2% |
| 55–64 | 8.7% |
| 65+ | 13.2% |
Dependency Ratios for Story County, Iowa
- Total Dependency Ratio:
- 41.7
- Youth Dependency:
- 23.0
- Old-Age Dependency:
- 18.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Story County, Iowa
The median age in Story County, Iowa is 26.9 years.
According to latest Census data, the total population of Story County, Iowa is 100,466.
In Story County, Iowa, seniors (ages 65+) make up 13.2% of the population, while children under 18 represent 12.0%.
Based on historical data since 2010, the population in Story County, Iowa has remained stable.