Franklin County, Missouri Age & Gender Statistics (2024)

Total Population

105,950

Median Age

41.8

Male Median

40.5

Female Median

43.2

Franklin County, Missouri Population Growth

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

Franklin County, Missouri Demographic Trend

Since 2010, the population of has changed by +5.2%%.

+5.2%% Growth

Franklin County, Missouri Age & Gender Pyramid

Population pyramid for

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


Franklin County, Missouri Historical Population Data

YearMedian AgePopulation
202441.8105,950
202341.4105,316
202240.9104,858
202140.7104,331
202040.6103,629
201940.7103,191
201840.8102,781
201740.7102,413
201640.6102,063
201540.2101,828
201439.9101,682
201339.6101,569
201239.4101,440
201138.8101,263
201038.5100,737

Franklin County, Missouri Age Group Breakdown (2024)

Age CohortPercentage
Under 55.7%
5–1716.7%
18–247.2%
25–3411.9%
35–5424.2%
55–6415.1%
65+19.2%

Dependency Ratios for Franklin County, Missouri

Total Dependency Ratio:
71.1
Youth Dependency:
38.3
Old-Age Dependency:
32.9

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



Age & Gender FAQs for Franklin County, Missouri

The median age in Franklin County, Missouri is 41.8 years.

According to latest Census data, the total population of Franklin County, Missouri is 105,950.

In Franklin County, Missouri, seniors (ages 65+) make up 19.2% of the population, while children under 18 represent 16.7%.

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