How Arlington County Compares

Arlington County

35.5 years

Virginia Average

35.5 years

Rank #119 of 133 in state

National

38.9 years

8.7% below

National Distribution

Where Arlington County falls among all 3,222 U.S. counties for median age.

21.4 years 86.2 years

■ Arlington County: 35.5 years

Ranking Context

Rank	County	Value
#2,924	Colfax County, NE	35.5 years
#2,925	Mecklenburg County, NC	35.5 years
#2,926	La Salle County, TX	35.5 years
#2,927	Arlington County, VA	35.5 years
#2,928	Milwaukee County, WI	35.5 years
#2,929	San Joaquin County, CA	35.4 years
#2,930	Carroll County, GA	35.4 years

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Median Age in Arlington County, Virginia

Arlington County, Virginia has a median age of 35.5 years, which ranks #2,927 of 3,222 out of 3,222 counties nationwide. This is 8.7% below the national value of 38.9 years.

Within Virginia, Arlington County ranks #119 of 133 out of 133 counties. This places it in the 9th percentile nationally.

The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.