Washington County, Kansas Age & Gender Statistics (2024)

Total Population

5,533

Median Age

43.4

Male Median

43.1

Female Median

44.2

Washington County, Kansas Population Growth

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

Washington County, Kansas Demographic Trend

Since 2010, the population of has changed by -5.4%%.

-5.4%% Growth

Washington County, Kansas Age & Gender Pyramid

Population pyramid for

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


Washington County, Kansas Historical Population Data

YearMedian AgePopulation
202443.45,533
202343.95,519
202244.95,529
202145.15,531
202045.85,474
201945.45,493
201846.55,525
201746.25,572
201646.35,613
201546.35,686
201446.45,717
201346.25,763
201246.05,806
201146.55,830
201046.15,851

Washington County, Kansas Age Group Breakdown (2024)

Age CohortPercentage
Under 56.9%
5–1717.3%
18–246.6%
25–3410.0%
35–5421.6%
55–6414.0%
65+23.6%

Dependency Ratios for Washington County, Kansas

Total Dependency Ratio:
91.7
Youth Dependency:
46.4
Old-Age Dependency:
45.3

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



Age & Gender FAQs for Washington County, Kansas

The median age in Washington County, Kansas is 43.4 years.

According to latest Census data, the total population of Washington County, Kansas is 5,533.

In Washington County, Kansas, seniors (ages 65+) make up 23.6% of the population, while children under 18 represent 17.3%.

Based on historical data since 2010, the population in Washington County, Kansas is becoming younger.
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