Lyon County, Kansas Age & Gender Distribution (2024)
Population distribution by age and gender for Lyon County, Kansas
Lyon County, Kansas Age & Gender Statistics (2024)
Total Population
32,186
Median Age
33.1
Male Median
33.0
Female Median
33.1
Lyon County, Kansas Population Growth

Lyon County, Kansas Demographic Trend
Since 2010, the population of has changed by -8.0%%.
-8.0%% Growth
Lyon County, Kansas Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Lyon County, Kansas Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 33.1 | 32,186 |
| 2023 | 33.1 | 32,145 |
| 2022 | 32.9 | 32,182 |
| 2021 | 33.0 | 32,318 |
| 2020 | 33.8 | 33,237 |
| 2019 | 33.4 | 33,251 |
| 2018 | 33.4 | 33,299 |
| 2017 | 32.9 | 33,302 |
| 2016 | 32.8 | 33,401 |
| 2015 | 32.5 | 33,462 |
| 2014 | 32.3 | 33,510 |
| 2013 | 32.2 | 33,624 |
| 2012 | 32.2 | 34,103 |
| 2011 | 31.8 | 34,561 |
| 2010 | 31.9 | 34,974 |
Lyon County, Kansas Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.7% |
| 5–17 | 16.5% |
| 18–24 | 16.9% |
| 25–34 | 12.8% |
| 35–54 | 20.8% |
| 55–64 | 11.3% |
| 65+ | 16.1% |
Dependency Ratios for Lyon County, Kansas
- Total Dependency Ratio:
- 62.1
- Youth Dependency:
- 35.9
- Old-Age Dependency:
- 26.2
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Lyon County, Kansas
The median age in Lyon County, Kansas is 33.1 years.
According to latest Census data, the total population of Lyon County, Kansas is 32,186.
In Lyon County, Kansas, seniors (ages 65+) make up 16.1% of the population, while children under 18 represent 16.5%.
Based on historical data since 2010, the population in Lyon County, Kansas has remained stable.