Jackson County, Missouri Age & Gender Statistics (2024)

Total Population

719,976

Median Age

37.0

Male Median

36.1

Female Median

38.0

Jackson County, Missouri Population Growth

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

Jackson County, Missouri Demographic Trend

Since 2010, the population of has changed by +7.9%%.

+7.9%% Growth

Jackson County, Missouri Age & Gender Pyramid

Population pyramid for

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


Jackson County, Missouri Historical Population Data

YearMedian AgePopulation
202437.0719,976
202336.9717,021
202237.0715,526
202136.9713,229
202036.8700,733
201936.8696,216
201836.7692,003
201736.6688,554
201636.5683,643
201536.5680,905
201436.4678,167
201336.3675,641
201236.2672,784
201136.2670,100
201036.1666,997

Jackson County, Missouri Age Group Breakdown (2024)

Age CohortPercentage
Under 56.2%
5–1717.1%
18–248.4%
25–3415.3%
35–5424.8%
55–6412.3%
65+15.9%

Dependency Ratios for Jackson County, Missouri

Total Dependency Ratio:
64.4
Youth Dependency:
38.3
Old-Age Dependency:
26.1

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



Age & Gender FAQs for Jackson County, Missouri

The median age in Jackson County, Missouri is 37.0 years.

According to latest Census data, the total population of Jackson County, Missouri is 719,976.

In Jackson County, Missouri, seniors (ages 65+) make up 15.9% of the population, while children under 18 represent 17.1%.

Based on historical data since 2010, the population in Jackson County, Missouri has remained stable.
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