Lyon County, Kansas Age & Gender Statistics (2024)

Total Population

32,186

Median Age

33.1

Male Median

33.0

Female Median

33.1

Lyon County, Kansas Population Growth

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

Lyon County, Kansas Demographic Trend

Since 2010, the population of has changed by -8.0%%.

-8.0%% Growth

Lyon County, Kansas Age & Gender Pyramid

Population pyramid for

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


Lyon County, Kansas Historical Population Data

YearMedian AgePopulation
202433.132,186
202333.132,145
202232.932,182
202133.032,318
202033.833,237
201933.433,251
201833.433,299
201732.933,302
201632.833,401
201532.533,462
201432.333,510
201332.233,624
201232.234,103
201131.834,561
201031.934,974

Lyon County, Kansas Age Group Breakdown (2024)

Age CohortPercentage
Under 55.7%
5–1716.5%
18–2416.9%
25–3412.8%
35–5420.8%
55–6411.3%
65+16.1%

Dependency Ratios for Lyon County, Kansas

Total Dependency Ratio:
62.1
Youth Dependency:
35.9
Old-Age Dependency:
26.2

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



Age & Gender FAQs for Lyon County, Kansas

The median age in Lyon County, Kansas is 33.1 years.

According to latest Census data, the total population of Lyon County, Kansas is 32,186.

In Lyon County, Kansas, seniors (ages 65+) make up 16.1% of the population, while children under 18 represent 16.5%.

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