Ontonagon County, Michigan Age & Gender Statistics (2024)

Total Population

5,850

Median Age

59.8

Male Median

59.4

Female Median

60.0

Ontonagon County, Michigan Population Growth

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

Ontonagon County, Michigan Demographic Trend

Since 2010, the population of has changed by -16.1%%.

-16.1%% Growth

Ontonagon County, Michigan Age & Gender Pyramid

Population pyramid for

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


Ontonagon County, Michigan Historical Population Data

YearMedian AgePopulation
202459.85,850
202359.45,870
202259.25,862
202159.05,891
202059.15,802
201958.65,877
201858.15,968
201757.16,072
201656.66,165
201555.66,298
201454.86,448
201353.66,584
201253.16,703
201152.36,848
201051.86,976

Ontonagon County, Michigan Age Group Breakdown (2024)

Age CohortPercentage
Under 52.6%
5–178.9%
18–244.9%
25–346.2%
35–5419.5%
55–6419.8%
65+38.2%

Dependency Ratios for Ontonagon County, Michigan

Total Dependency Ratio:
98.6
Youth Dependency:
22.7
Old-Age Dependency:
75.9

The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).



Age & Gender FAQs for Ontonagon County, Michigan

The median age in Ontonagon County, Michigan is 59.8 years.

According to latest Census data, the total population of Ontonagon County, Michigan is 5,850.

In Ontonagon County, Michigan, seniors (ages 65+) make up 38.2% of the population, while children under 18 represent 8.9%.

Based on historical data since 2010, the population in Ontonagon County, Michigan is aging.
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