Sedgwick County, Kansas Age & Gender Statistics (2024)

Total Population

528,226

Median Age

36.0

Male Median

35.2

Female Median

37.2

Sedgwick County, Kansas Population Growth

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

Sedgwick County, Kansas Demographic Trend

Since 2010, the population of has changed by +8.7%%.

+8.7%% Growth

Sedgwick County, Kansas Age & Gender Pyramid

Population pyramid for

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


Sedgwick County, Kansas Historical Population Data

YearMedian AgePopulation
202436.0528,226
202335.9524,810
202235.8522,700
202135.7520,467
202035.5515,416
201935.4513,375
201835.2512,064
201735.0510,484
201634.8508,221
201534.6506,529
201434.5503,788
201334.4500,768
201234.4497,062
201134.4491,988
201034.4486,123

Sedgwick County, Kansas Age Group Breakdown (2024)

Age CohortPercentage
Under 56.3%
5–1718.6%
18–249.4%
25–3414.1%
35–5423.9%
55–6411.8%
65+15.9%

Dependency Ratios for Sedgwick County, Kansas

Total Dependency Ratio:
68.8
Youth Dependency:
42.1
Old-Age Dependency:
26.8

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



Age & Gender FAQs for Sedgwick County, Kansas

The median age in Sedgwick County, Kansas is 36.0 years.

According to latest Census data, the total population of Sedgwick County, Kansas is 528,226.

In Sedgwick County, Kansas, seniors (ages 65+) make up 15.9% of the population, while children under 18 represent 18.6%.

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