Knox County, Indiana Age & Gender Statistics (2024)

Total Population

36,007

Median Age

39.0

Male Median

37.5

Female Median

41.2

Knox County, Indiana Population Growth

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

Knox County, Indiana Demographic Trend

Since 2010, the population of has changed by -6.3%%.

-6.3%% Growth

Knox County, Indiana Age & Gender Pyramid

Population pyramid for

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


Knox County, Indiana Historical Population Data

YearMedian AgePopulation
202439.036,007
202339.136,108
202238.936,148
202139.236,362
202039.236,833
201937.937,065
201838.037,409
201738.137,763
201638.137,956
201539.238,062
201439.338,181
201339.238,266
201238.938,392
201138.638,446
201038.438,425

Knox County, Indiana Age Group Breakdown (2024)

Age CohortPercentage
Under 55.6%
5–1716.1%
18–2411.2%
25–3412.0%
35–5423.0%
55–6413.1%
65+19.1%

Dependency Ratios for Knox County, Indiana

Total Dependency Ratio:
68.7
Youth Dependency:
36.5
Old-Age Dependency:
32.2

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



Age & Gender FAQs for Knox County, Indiana

The median age in Knox County, Indiana is 39.0 years.

According to latest Census data, the total population of Knox County, Indiana is 36,007.

In Knox County, Indiana, seniors (ages 65+) make up 19.1% of the population, while children under 18 represent 16.1%.

Based on historical data since 2010, the population in Knox County, Indiana has remained stable.
Back to Overview