Putnam County, Illinois Age & Gender Statistics (2024)

Total Population

5,601

Median Age

47.4

Male Median

44.3

Female Median

49.5

Putnam County, Illinois Population Growth

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

Putnam County, Illinois Demographic Trend

Since 2010, the population of has changed by -6.4%%.

-6.4%% Growth

Putnam County, Illinois Age & Gender Pyramid

Population pyramid for

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


Putnam County, Illinois Historical Population Data

YearMedian AgePopulation
202447.45,601
202347.25,600
202247.45,628
202146.95,638
202047.35,720
201948.15,721
201847.95,746
201747.55,771
201646.45,746
201546.05,822
201445.25,895
201345.05,927
201244.65,968
201144.45,989
201044.65,982

Putnam County, Illinois Age Group Breakdown (2024)

Age CohortPercentage
Under 54.6%
5–1715.1%
18–246.6%
25–3410.6%
35–5422.7%
55–6415.8%
65+24.6%

Dependency Ratios for Putnam County, Illinois

Total Dependency Ratio:
79.6
Youth Dependency:
35.4
Old-Age Dependency:
44.2

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



Age & Gender FAQs for Putnam County, Illinois

The median age in Putnam County, Illinois is 47.4 years.

According to latest Census data, the total population of Putnam County, Illinois is 5,601.

In Putnam County, Illinois, seniors (ages 65+) make up 24.6% of the population, while children under 18 represent 15.1%.

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