Saline County, Illinois Age & Gender Statistics (2024)

Total Population

23,213

Median Age

43.8

Male Median

42.2

Female Median

45.7

Saline County, Illinois Population Growth

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

Saline County, Illinois Demographic Trend

Since 2010, the population of has changed by -7.8%%.

-7.8%% Growth

Saline County, Illinois Age & Gender Pyramid

Population pyramid for

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


Saline County, Illinois Historical Population Data

YearMedian AgePopulation
202443.823,213
202343.223,387
202243.223,662
202141.723,869
202042.223,735
201942.223,994
201842.024,231
201742.024,430
201642.024,659
201542.424,783
201442.024,876
201341.824,950
201241.824,975
201141.825,071
201041.825,171

Saline County, Illinois Age Group Breakdown (2024)

Age CohortPercentage
Under 55.6%
5–1715.1%
18–246.4%
25–3412.1%
35–5424.1%
55–6415.2%
65+21.5%

Dependency Ratios for Saline County, Illinois

Total Dependency Ratio:
73.0
Youth Dependency:
35.8
Old-Age Dependency:
37.2

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



Age & Gender FAQs for Saline County, Illinois

The median age in Saline County, Illinois is 43.8 years.

According to latest Census data, the total population of Saline County, Illinois is 23,213.

In Saline County, Illinois, seniors (ages 65+) make up 21.5% of the population, while children under 18 represent 15.1%.

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