Adair County, Missouri Age & Gender Statistics (2024)

Total Population

25,301

Median Age

30.2

Male Median

30.2

Female Median

30.1

Adair County, Missouri Population Growth

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

Adair County, Missouri Demographic Trend

Since 2010, the population of has changed by -0.1%%.

-0.1%% Growth

Adair County, Missouri Age & Gender Pyramid

Population pyramid for

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


Adair County, Missouri Historical Population Data

YearMedian AgePopulation
202430.225,301
202329.825,224
202229.025,299
202128.125,339
202027.925,468
201927.625,369
201827.725,325
201727.325,437
201627.725,547
201527.925,560
201428.825,642
201329.025,573
201229.125,542
201128.625,421
201028.525,315

Adair County, Missouri Age Group Breakdown (2024)

Age CohortPercentage
Under 55.7%
5–1713.0%
18–2425.4%
25–3411.1%
35–5419.1%
55–6410.3%
65+15.4%

Dependency Ratios for Adair County, Missouri

Total Dependency Ratio:
51.8
Youth Dependency:
28.4
Old-Age Dependency:
23.4

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



Age & Gender FAQs for Adair County, Missouri

The median age in Adair County, Missouri is 30.2 years.

According to latest Census data, the total population of Adair County, Missouri is 25,301.

In Adair County, Missouri, seniors (ages 65+) make up 15.4% of the population, while children under 18 represent 13.0%.

Based on historical data since 2010, the population in Adair County, Missouri is aging.
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