Henderson County, Illinois Age & Gender Statistics (2024)

Total Population

6,193

Median Age

50.2

Male Median

49.5

Female Median

51.5

Henderson County, Illinois Population Growth

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

Henderson County, Illinois Demographic Trend

Since 2010, the population of has changed by -17.0%%.

-17.0%% Growth

Henderson County, Illinois Age & Gender Pyramid

Population pyramid for

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


Henderson County, Illinois Historical Population Data

YearMedian AgePopulation
202450.26,193
202349.86,284
202249.66,374
202150.16,485
202050.86,737
201950.06,809
201849.76,884
201749.26,927
201649.26,966
201549.17,042
201449.17,074
201348.07,186
201247.67,275
201146.97,379
201046.27,462

Henderson County, Illinois Age Group Breakdown (2024)

Age CohortPercentage
Under 54.7%
5–1713.8%
18–245.8%
25–349.2%
35–5422.3%
55–6416.6%
65+27.6%

Dependency Ratios for Henderson County, Illinois

Total Dependency Ratio:
85.5
Youth Dependency:
34.3
Old-Age Dependency:
51.2

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



Age & Gender FAQs for Henderson County, Illinois

The median age in Henderson County, Illinois is 50.2 years.

According to latest Census data, the total population of Henderson County, Illinois is 6,193.

In Henderson County, Illinois, seniors (ages 65+) make up 27.6% of the population, while children under 18 represent 13.8%.

Based on historical data since 2010, the population in Henderson County, Illinois is aging.
Back to Overview