Benton County, Missouri Age & Gender Statistics (2024)

Total Population

20,151

Median Age

54.5

Male Median

54.3

Female Median

54.9

Benton County, Missouri Population Growth

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

Benton County, Missouri Demographic Trend

Since 2010, the population of has changed by +6.2%%.

+6.2%% Growth

Benton County, Missouri Age & Gender Pyramid

Population pyramid for

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


Benton County, Missouri Historical Population Data

YearMedian AgePopulation
202454.520,151
202354.419,887
202254.119,616
202153.719,351
202054.119,305
201953.619,107
201853.318,989
201753.218,918
201652.918,825
201552.518,854
201452.118,961
201352.119,008
201251.519,021
201151.119,058
201050.618,975

Benton County, Missouri Age Group Breakdown (2024)

Age CohortPercentage
Under 54.0%
5–1713.3%
18–246.2%
25–347.2%
35–5420.2%
55–6417.7%
65+31.4%

Dependency Ratios for Benton County, Missouri

Total Dependency Ratio:
94.8
Youth Dependency:
33.7
Old-Age Dependency:
61.1

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



Age & Gender FAQs for Benton County, Missouri

The median age in Benton County, Missouri is 54.5 years.

According to latest Census data, the total population of Benton County, Missouri is 20,151.

In Benton County, Missouri, seniors (ages 65+) make up 31.4% of the population, while children under 18 represent 13.3%.

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