Arlington County, Virginia Age & Gender Statistics (2024)

Total Population

236,254

Median Age

35.5

Male Median

35.3

Female Median

35.8

Arlington County, Virginia Population Growth

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

Arlington County, Virginia Demographic Trend

Since 2010, the population of has changed by +19.6%%.

+19.6%% Growth

Arlington County, Virginia Age & Gender Pyramid

Population pyramid for

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


Arlington County, Virginia Historical Population Data

YearMedian AgePopulation
202435.5236,254
202335.5235,463
202235.3235,845
202135.1235,764
202034.8236,434
201934.7233,464
201834.5231,803
201734.4229,534
201634.1226,092
201533.9223,945
201433.8220,173
201333.8214,861
201233.7209,077
201133.8202,999
201033.9197,467

Arlington County, Virginia Age Group Breakdown (2024)

Age CohortPercentage
Under 55.0%
5–1713.0%
18–248.3%
25–3422.6%
35–5429.0%
55–6410.0%
65+11.9%

Dependency Ratios for Arlington County, Virginia

Total Dependency Ratio:
42.7
Youth Dependency:
25.7
Old-Age Dependency:
17.0

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



Age & Gender FAQs for Arlington County, Virginia

The median age in Arlington County, Virginia is 35.5 years.

According to latest Census data, the total population of Arlington County, Virginia is 236,254.

In Arlington County, Virginia, seniors (ages 65+) make up 11.9% of the population, while children under 18 represent 13.0%.

Based on historical data since 2010, the population in Arlington County, Virginia is aging.
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