Macon County, Illinois Age & Gender Statistics (2024)

Total Population

101,849

Median Age

40.6

Male Median

39.2

Female Median

42.2

Macon County, Illinois Population Growth

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

Macon County, Illinois Demographic Trend

Since 2010, the population of has changed by -8.0%%.

-8.0%% Growth

Macon County, Illinois Age & Gender Pyramid

Population pyramid for

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


Macon County, Illinois Historical Population Data

YearMedian AgePopulation
202440.6101,849
202340.9102,591
202240.7103,542
202140.8104,331
202041.1104,688
201941.1105,528
201841.3106,512
201741.0107,587
201640.7108,404
201540.6109,193
201440.5109,833
201340.2110,262
201240.4110,558
201140.4110,712
201040.5110,719

Macon County, Illinois Age Group Breakdown (2024)

Age CohortPercentage
Under 56.1%
5–1716.6%
18–248.4%
25–3412.0%
35–5422.9%
55–6413.1%
65+21.0%

Dependency Ratios for Macon County, Illinois

Total Dependency Ratio:
77.5
Youth Dependency:
40.2
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 Macon County, Illinois

The median age in Macon County, Illinois is 40.6 years.

According to latest Census data, the total population of Macon County, Illinois is 101,849.

In Macon County, Illinois, seniors (ages 65+) make up 21.0% of the population, while children under 18 represent 16.6%.

Based on historical data since 2010, the population in Macon County, Illinois has remained stable.
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