Miller County, Missouri Age & Gender Statistics (2024)

Total Population

25,269

Median Age

41.3

Male Median

40.4

Female Median

42.5

Miller County, Missouri Population Growth

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

Miller County, Missouri Demographic Trend

Since 2010, the population of has changed by +1.9%%.

+1.9%% Growth

Miller County, Missouri Age & Gender Pyramid

Population pyramid for

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


Miller County, Missouri Historical Population Data

YearMedian AgePopulation
202441.325,269
202340.825,081
202241.124,855
202140.324,643
202040.525,369
201940.725,201
201840.825,049
201741.124,947
201641.425,011
201540.824,956
201440.524,905
201340.624,863
201240.324,822
201140.124,807
201040.224,805

Miller County, Missouri Age Group Breakdown (2024)

Age CohortPercentage
Under 55.9%
5–1717.3%
18–247.4%
25–3411.5%
35–5423.8%
55–6414.0%
65+20.1%

Dependency Ratios for Miller County, Missouri

Total Dependency Ratio:
76.4
Youth Dependency:
41.0
Old-Age Dependency:
35.4

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



Age & Gender FAQs for Miller County, Missouri

The median age in Miller County, Missouri is 41.3 years.

According to latest Census data, the total population of Miller County, Missouri is 25,269.

In Miller County, Missouri, seniors (ages 65+) make up 20.1% of the population, while children under 18 represent 17.3%.

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