Scott County, Illinois Age & Gender Statistics (2024)

Total Population

4,937

Median Age

46.0

Male Median

42.6

Female Median

48.1

Scott County, Illinois Population Growth

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

Scott County, Illinois Demographic Trend

Since 2010, the population of has changed by -8.1%%.

-8.1%% Growth

Scott County, Illinois Age & Gender Pyramid

Population pyramid for

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


Scott County, Illinois Historical Population Data

YearMedian AgePopulation
202446.04,937
202344.34,847
202244.74,899
202144.64,923
202045.04,982
201944.65,005
201844.15,047
201743.75,109
201643.35,169
201543.55,198
201443.35,260
201343.25,288
201243.15,322
201143.35,351
201042.55,374

Scott County, Illinois Age Group Breakdown (2024)

Age CohortPercentage
Under 54.3%
5–1716.5%
18–247.6%
25–349.6%
35–5423.2%
55–6415.6%
65+23.1%

Dependency Ratios for Scott County, Illinois

Total Dependency Ratio:
78.6
Youth Dependency:
37.3
Old-Age Dependency:
41.3

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



Age & Gender FAQs for Scott County, Illinois

The median age in Scott County, Illinois is 46.0 years.

According to latest Census data, the total population of Scott County, Illinois is 4,937.

In Scott County, Illinois, seniors (ages 65+) make up 23.1% of the population, while children under 18 represent 16.5%.

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