Jefferson County, Florida Age & Gender Statistics (2024)

Total Population

15,091

Median Age

47.6

Male Median

43.7

Female Median

51.7

Jefferson County, Florida Population Growth

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

Jefferson County, Florida Demographic Trend

Since 2010, the population of has changed by +3.5%%.

+3.5%% Growth

Jefferson County, Florida Age & Gender Pyramid

Population pyramid for

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


Jefferson County, Florida Historical Population Data

YearMedian AgePopulation
202447.615,091
202347.014,713
202247.814,458
202147.214,405
202047.314,278
201948.014,161
201847.214,105
201746.014,085
201645.514,082
201545.314,198
201444.914,335
201344.214,469
201243.614,564
201143.314,622
201044.714,583

Jefferson County, Florida Age Group Breakdown (2024)

Age CohortPercentage
Under 54.1%
5–1713.1%
18–248.1%
25–3411.6%
35–5423.3%
55–6415.3%
65+24.5%

Dependency Ratios for Jefferson County, Florida

Total Dependency Ratio:
71.3
Youth Dependency:
29.4
Old-Age Dependency:
41.9

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



Age & Gender FAQs for Jefferson County, Florida

The median age in Jefferson County, Florida is 47.6 years.

According to latest Census data, the total population of Jefferson County, Florida is 15,091.

In Jefferson County, Florida, seniors (ages 65+) make up 24.5% of the population, while children under 18 represent 13.1%.

Based on historical data since 2010, the population in Jefferson County, Florida is aging.
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