Macoupin County, Illinois Age & Gender Statistics (2024)

Total Population

44,350

Median Age

44.2

Male Median

42.4

Female Median

45.4

Macoupin County, Illinois Population Growth

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

Macoupin County, Illinois Demographic Trend

Since 2010, the population of has changed by -7.6%%.

-7.6%% Growth

Macoupin County, Illinois Age & Gender Pyramid

Population pyramid for

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


Macoupin County, Illinois Historical Population Data

YearMedian AgePopulation
202444.244,350
202344.344,566
202244.044,907
202143.745,152
202043.945,243
201943.745,463
201843.645,719
201743.145,960
201643.046,482
201542.646,844
201442.147,229
201341.947,462
201241.947,712
201141.547,879
201041.547,980

Macoupin County, Illinois Age Group Breakdown (2024)

Age CohortPercentage
Under 54.9%
5–1715.7%
18–247.7%
25–3410.9%
35–5424.2%
55–6415.0%
65+21.6%

Dependency Ratios for Macoupin County, Illinois

Total Dependency Ratio:
72.9
Youth Dependency:
35.6
Old-Age Dependency:
37.3

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



Age & Gender FAQs for Macoupin County, Illinois

The median age in Macoupin County, Illinois is 44.2 years.

According to latest Census data, the total population of Macoupin County, Illinois is 44,350.

In Macoupin County, Illinois, seniors (ages 65+) make up 21.6% of the population, while children under 18 represent 15.7%.

Based on historical data since 2010, the population in Macoupin County, Illinois is aging.
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