Seward County, Kansas Age & Gender Statistics (2024)

Total Population

21,486

Median Age

31.0

Male Median

30.9

Female Median

31.1

Seward County, Kansas Population Growth

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

Seward County, Kansas Demographic Trend

Since 2010, the population of has changed by -4.9%%.

-4.9%% Growth

Seward County, Kansas Age & Gender Pyramid

Population pyramid for

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


Seward County, Kansas Historical Population Data

YearMedian AgePopulation
202431.021,486
202331.021,640
202230.521,942
202130.222,223
202029.921,902
201929.422,349
201829.422,692
201729.522,948
201629.223,185
201529.423,274
201429.223,319
201329.223,146
201229.023,013
201129.222,802
201029.122,588

Seward County, Kansas Age Group Breakdown (2024)

Age CohortPercentage
Under 58.5%
5–1721.9%
18–2411.0%
25–3413.2%
35–5424.4%
55–6410.4%
65+10.7%

Dependency Ratios for Seward County, Kansas

Total Dependency Ratio:
69.5
Youth Dependency:
51.4
Old-Age Dependency:
18.1

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



Age & Gender FAQs for Seward County, Kansas

The median age in Seward County, Kansas is 31.0 years.

According to latest Census data, the total population of Seward County, Kansas is 21,486.

In Seward County, Kansas, seniors (ages 65+) make up 10.7% of the population, while children under 18 represent 21.9%.

Based on historical data since 2010, the population in Seward County, Kansas is aging.
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