Lyon County, Iowa Age & Gender Distribution (2024)
Population distribution by age and gender for Lyon County, Iowa
Lyon County, Iowa Age & Gender Statistics (2024)
Total Population
12,162
Median Age
38.2
Male Median
36.8
Female Median
39.0
Lyon County, Iowa Population Growth
Lyon County, Iowa Demographic Trend
Since 2010, the population of has changed by +5.2%%.
+5.2%% Growth
Lyon County, Iowa Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Lyon County, Iowa Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 38.2 | 12,162 |
| 2023 | 38.1 | 12,087 |
| 2022 | 38.3 | 12,023 |
| 2021 | 37.9 | 11,953 |
| 2020 | 37.8 | 11,800 |
| 2019 | 38.0 | 11,776 |
| 2018 | 38.1 | 11,769 |
| 2017 | 38.0 | 11,745 |
| 2016 | 38.2 | 11,730 |
| 2015 | 38.4 | 11,723 |
| 2014 | 38.5 | 11,680 |
| 2013 | 38.0 | 11,659 |
| 2012 | 38.3 | 11,623 |
| 2011 | 38.7 | 11,579 |
| 2010 | 38.7 | 11,564 |
Lyon County, Iowa Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.8% |
| 5–17 | 21.4% |
| 18–24 | 7.8% |
| 25–34 | 10.6% |
| 35–54 | 22.9% |
| 55–64 | 11.4% |
| 65+ | 19.1% |
Dependency Ratios for Lyon County, Iowa
- Total Dependency Ratio:
- 89.5
- Youth Dependency:
- 53.4
- Old-Age Dependency:
- 36.2
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Lyon County, Iowa
The median age in Lyon County, Iowa is 38.2 years.
According to latest Census data, the total population of Lyon County, Iowa is 12,162.
In Lyon County, Iowa, seniors (ages 65+) make up 19.1% of the population, while children under 18 represent 21.4%.
Based on historical data since 2010, the population in Lyon County, Iowa has remained stable.