Nassau County, Florida Age & Gender Statistics (2024)

Total Population

97,859

Median Age

46.5

Male Median

44.9

Female Median

48.1

Nassau County, Florida Population Growth

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

Nassau County, Florida Demographic Trend

Since 2010, the population of has changed by +37.6%%.

+37.6%% Growth

Nassau County, Florida Age & Gender Pyramid

Population pyramid for

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


Nassau County, Florida Historical Population Data

YearMedian AgePopulation
202446.597,859
202346.394,653
202246.391,538
202146.188,492
202045.885,762
201945.383,098
201845.080,578
201744.978,435
201644.677,187
201544.275,880
201443.874,918
201343.474,163
201243.173,303
201142.872,379
201042.271,099

Nassau County, Florida Age Group Breakdown (2024)

Age CohortPercentage
Under 54.6%
5–1714.7%
18–246.2%
25–3411.1%
35–5424.1%
55–6415.4%
65+23.9%

Dependency Ratios for Nassau County, Florida

Total Dependency Ratio:
76.2
Youth Dependency:
34.1
Old-Age Dependency:
42.1

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



Age & Gender FAQs for Nassau County, Florida

The median age in Nassau County, Florida is 46.5 years.

According to latest Census data, the total population of Nassau County, Florida is 97,859.

In Nassau County, Florida, seniors (ages 65+) make up 23.9% of the population, while children under 18 represent 14.7%.

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