Leavenworth County, Kansas Age & Gender Statistics (2024)

Total Population

83,123

Median Age

38.0

Male Median

37.2

Female Median

39.4

Leavenworth County, Kansas Population Growth

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

Leavenworth County, Kansas Demographic Trend

Since 2010, the population of has changed by +11.4%%.

+11.4%% Growth

Leavenworth County, Kansas Age & Gender Pyramid

Population pyramid for

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


Leavenworth County, Kansas Historical Population Data

YearMedian AgePopulation
202438.083,123
202338.382,493
202238.082,050
202138.181,601
202037.981,499
201937.880,745
201837.680,042
201737.379,359
201637.378,785
201537.378,227
201437.277,687
201337.277,002
201237.476,286
201137.575,500
201037.174,611

Leavenworth County, Kansas Age Group Breakdown (2024)

Age CohortPercentage
Under 56.0%
5–1717.6%
18–247.8%
25–3413.0%
35–5427.3%
55–6412.2%
65+16.1%

Dependency Ratios for Leavenworth County, Kansas

Total Dependency Ratio:
65.9
Youth Dependency:
39.2
Old-Age Dependency:
26.7

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



Age & Gender FAQs for Leavenworth County, Kansas

The median age in Leavenworth County, Kansas is 38.0 years.

According to latest Census data, the total population of Leavenworth County, Kansas is 83,123.

In Leavenworth County, Kansas, seniors (ages 65+) make up 16.1% of the population, while children under 18 represent 17.6%.

Based on historical data since 2010, the population in Leavenworth County, Kansas has remained stable.
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