Thomas County, Kansas Age & Gender Statistics (2024)

Total Population

7,885

Median Age

35.3

Male Median

33.0

Female Median

36.9

Thomas County, Kansas Population Growth

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

Thomas County, Kansas Demographic Trend

Since 2010, the population of has changed by +1.7%%.

+1.7%% Growth

Thomas County, Kansas Age & Gender Pyramid

Population pyramid for

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


Thomas County, Kansas Historical Population Data

YearMedian AgePopulation
202435.37,885
202335.37,913
202235.27,907
202135.87,902
202036.77,748
201936.07,810
201836.17,824
201736.37,847
201636.27,909
201535.37,925
201435.67,947
201335.67,902
201236.27,854
201136.47,809
201037.07,757

Thomas County, Kansas Age Group Breakdown (2024)

Age CohortPercentage
Under 56.3%
5–1718.3%
18–2413.0%
25–3412.1%
35–5420.7%
55–6410.9%
65+18.6%

Dependency Ratios for Thomas County, Kansas

Total Dependency Ratio:
76.2
Youth Dependency:
43.4
Old-Age Dependency:
32.8

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



Age & Gender FAQs for Thomas County, Kansas

The median age in Thomas County, Kansas is 35.3 years.

According to latest Census data, the total population of Thomas County, Kansas is 7,885.

In Thomas County, Kansas, seniors (ages 65+) make up 18.6% of the population, while children under 18 represent 18.3%.

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