Boone County, Missouri Age & Gender Statistics (2024)

Total Population

188,043

Median Age

32.7

Male Median

32.1

Female Median

33.1

Boone County, Missouri Population Growth

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

Boone County, Missouri Demographic Trend

Since 2010, the population of has changed by +19.0%%.

+19.0%% Growth

Boone County, Missouri Age & Gender Pyramid

Population pyramid for

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


Boone County, Missouri Historical Population Data

YearMedian AgePopulation
202432.7188,043
202332.2185,874
202231.8184,043
202131.9182,170
202031.6179,704
201931.2177,651
201830.8176,515
201730.6174,589
201630.3172,773
201530.1170,770
201429.9168,268
201329.7165,776
201229.6163,266
201129.4160,628
201029.5158,067

Boone County, Missouri Age Group Breakdown (2024)

Age CohortPercentage
Under 55.3%
5–1714.8%
18–2418.9%
25–3414.4%
35–5422.7%
55–6410.4%
65+13.5%

Dependency Ratios for Boone County, Missouri

Total Dependency Ratio:
50.7
Youth Dependency:
30.4
Old-Age Dependency:
20.3

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



Age & Gender FAQs for Boone County, Missouri

The median age in Boone County, Missouri is 32.7 years.

According to latest Census data, the total population of Boone County, Missouri is 188,043.

In Boone County, Missouri, seniors (ages 65+) make up 13.5% of the population, while children under 18 represent 14.8%.

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