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

Population trends in
Figure 1: Annual population growth trend for (2010–2024).

Mason County, Michigan Demographic Trend

Since 2010, the population of has changed by +1.7%%.

+1.7%% Growth

Mason County, Michigan Age & Gender Pyramid

Population pyramid for

Figure 2: Population distribution by age and gender for 2024.


Mason County, Michigan Historical Population Data

YearMedian AgePopulation
202447.329,207
202347.229,177
202246.729,178
202146.529,103
202046.329,062
201946.228,954
201846.128,884
201746.028,800
201645.828,755
201545.728,711
201445.528,705
201345.428,648
201245.128,672
201144.928,682
201044.528,715

Mason County, Michigan Age Group Breakdown (2024)

Age CohortPercentage
Under 54.4%
5–1715.2%
18–246.5%
25–3410.8%
35–5421.7%
55–6415.1%
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.
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