Allen County, Ohio Age & Gender Statistics (2024)

Total Population

101,348

Median Age

39.7

Male Median

38.1

Female Median

41.4

Allen County, Ohio Population Growth

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

Allen County, Ohio Demographic Trend

Since 2010, the population of has changed by -4.9%%.

-4.9%% Growth

Allen County, Ohio Age & Gender Pyramid

Population pyramid for

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


Allen County, Ohio Historical Population Data

YearMedian AgePopulation
202439.7101,348
202339.7101,685
202239.8102,087
202139.5102,462
202039.4102,808
201939.2103,175
201839.0103,642
201738.6104,157
201638.2104,664
201538.1105,196
201438.2105,562
201338.1105,895
201238.1106,079
201138.1106,468
201038.1106,586

Allen County, Ohio Age Group Breakdown (2024)

Age CohortPercentage
Under 56.0%
5–1717.5%
18–249.1%
25–3412.2%
35–5423.2%
55–6412.9%
65+19.1%

Dependency Ratios for Allen County, Ohio

Total Dependency Ratio:
74.3
Youth Dependency:
41.0
Old-Age Dependency:
33.3

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



Age & Gender FAQs for Allen County, Ohio

The median age in Allen County, Ohio is 39.7 years.

According to latest Census data, the total population of Allen County, Ohio is 101,348.

In Allen County, Ohio, seniors (ages 65+) make up 19.1% of the population, while children under 18 represent 17.5%.

Based on historical data since 2010, the population in Allen County, Ohio is aging.
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