Mason County, Michigan Age & Gender Distribution (2024)
Population distribution by age and gender for Mason County, Michigan
Mason County, Michigan Age & Gender Statistics (2024)
Total Population
29,207
Median Age
47.3
Male Median
45.3
Female Median
48.8
Mason County, Michigan Population Growth

Mason County, Michigan Demographic Trend
Since 2010, the population of has changed by +1.7%%.
+1.7%% Growth
Mason County, Michigan Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Mason County, Michigan Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 47.3 | 29,207 |
| 2023 | 47.2 | 29,177 |
| 2022 | 46.7 | 29,178 |
| 2021 | 46.5 | 29,103 |
| 2020 | 46.3 | 29,062 |
| 2019 | 46.2 | 28,954 |
| 2018 | 46.1 | 28,884 |
| 2017 | 46.0 | 28,800 |
| 2016 | 45.8 | 28,755 |
| 2015 | 45.7 | 28,711 |
| 2014 | 45.5 | 28,705 |
| 2013 | 45.4 | 28,648 |
| 2012 | 45.1 | 28,672 |
| 2011 | 44.9 | 28,682 |
| 2010 | 44.5 | 28,715 |
Mason County, Michigan Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.4% |
| 5–17 | 15.2% |
| 18–24 | 6.5% |
| 25–34 | 10.8% |
| 35–54 | 21.7% |
| 55–64 | 15.1% |
| 65+ | 26.3% |
Dependency Ratios for Mason County, Michigan
- Total Dependency Ratio:
- 84.8
- Youth Dependency:
- 36.2
- Old-Age Dependency:
- 48.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Mason County, Michigan
The median age in Mason County, Michigan is 47.3 years.
According to latest Census data, the total population of Mason County, Michigan is 29,207.
In Mason County, Michigan, seniors (ages 65+) make up 26.3% of the population, while children under 18 represent 15.2%.
Based on historical data since 2010, the population in Mason County, Michigan is aging.