Coles County, Illinois Age & Gender Statistics (2024)

Total Population

46,777

Median Age

37.5

Male Median

36.5

Female Median

38.3

Coles County, Illinois Population Growth

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

Coles County, Illinois Demographic Trend

Since 2010, the population of has changed by -12.7%%.

-12.7%% Growth

Coles County, Illinois Age & Gender Pyramid

Population pyramid for

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


Coles County, Illinois Historical Population Data

YearMedian AgePopulation
202437.546,777
202338.246,689
202237.447,076
202136.647,542
202036.651,065
201935.751,353
201835.251,736
201734.352,540
201633.652,802
201533.353,037
201432.453,655
201332.053,732
201232.353,683
201131.253,684
201031.453,568

Coles County, Illinois Age Group Breakdown (2024)

Age CohortPercentage
Under 54.9%
5–1713.3%
18–2416.9%
25–3412.4%
35–5421.8%
55–6412.2%
65+18.4%

Dependency Ratios for Coles County, Illinois

Total Dependency Ratio:
57.8
Youth Dependency:
28.8
Old-Age Dependency:
29.0

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



Age & Gender FAQs for Coles County, Illinois

The median age in Coles County, Illinois is 37.5 years.

According to latest Census data, the total population of Coles County, Illinois is 46,777.

In Coles County, Illinois, seniors (ages 65+) make up 18.4% of the population, while children under 18 represent 13.3%.

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