Franklin County, Ohio Age & Gender Statistics (2024)

Total Population

1,333,048

Median Age

34.8

Male Median

34.1

Female Median

35.5

Franklin County, Ohio Population Growth

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

Franklin County, Ohio Demographic Trend

Since 2010, the population of has changed by +16.8%%.

+16.8%% Growth

Franklin County, Ohio Age & Gender Pyramid

Population pyramid for

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


Franklin County, Ohio Historical Population Data

YearMedian AgePopulation
202434.81,333,048
202334.71,321,635
202234.61,318,149
202134.41,313,598
202034.21,304,715
201934.11,290,360
201834.01,275,333
201734.01,253,507
201633.91,232,118
201533.81,215,761
201433.81,197,592
201333.61,181,824
201233.51,167,484
201133.41,153,671
201033.41,141,117

Franklin County, Ohio Age Group Breakdown (2024)

Age CohortPercentage
Under 56.5%
5–1716.7%
18–249.5%
25–3417.5%
35–5425.8%
55–6410.9%
65+13.0%

Dependency Ratios for Franklin County, Ohio

Total Dependency Ratio:
57.0
Youth Dependency:
36.5
Old-Age Dependency:
20.5

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



Age & Gender FAQs for Franklin County, Ohio

The median age in Franklin County, Ohio is 34.8 years.

According to latest Census data, the total population of Franklin County, Ohio is 1,333,048.

In Franklin County, Ohio, seniors (ages 65+) make up 13.0% of the population, while children under 18 represent 16.7%.

Based on historical data since 2010, the population in Franklin County, Ohio has remained stable.
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