Linn County, Iowa Age & Gender Distribution (2024)
Population distribution by age and gender for Linn County, Iowa
Linn County, Iowa Age & Gender Statistics (2024)
Total Population
230,004
Median Age
39.0
Male Median
38.3
Female Median
39.8
Linn County, Iowa Population Growth
Linn County, Iowa Demographic Trend
Since 2010, the population of has changed by +10.7%%.
+10.7%% Growth
Linn County, Iowa Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Linn County, Iowa Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 39.0 | 230,004 |
| 2023 | 38.5 | 229,463 |
| 2022 | 38.2 | 229,308 |
| 2021 | 37.9 | 228,567 |
| 2020 | 37.7 | 225,601 |
| 2019 | 37.7 | 223,861 |
| 2018 | 37.5 | 222,121 |
| 2017 | 37.4 | 220,008 |
| 2016 | 37.2 | 218,076 |
| 2015 | 37.1 | 216,640 |
| 2014 | 36.9 | 214,927 |
| 2013 | 36.9 | 213,425 |
| 2012 | 36.7 | 211,954 |
| 2011 | 36.6 | 210,011 |
| 2010 | 36.5 | 207,765 |
Linn County, Iowa Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.8% |
| 5–17 | 16.7% |
| 18–24 | 9.0% |
| 25–34 | 13.2% |
| 35–54 | 25.4% |
| 55–64 | 12.5% |
| 65+ | 17.3% |
Dependency Ratios for Linn County, Iowa
- Total Dependency Ratio:
- 66.3
- Youth Dependency:
- 37.5
- Old-Age Dependency:
- 28.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Linn County, Iowa
The median age in Linn County, Iowa is 39.0 years.
According to latest Census data, the total population of Linn County, Iowa is 230,004.
In Linn County, Iowa, seniors (ages 65+) make up 17.3% of the population, while children under 18 represent 16.7%.
Based on historical data since 2010, the population in Linn County, Iowa is aging.