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Arlington County, Virginia

A Virginia county.

CountyFIPS 51013

Official government website: arlingtonva.us (via virginia.gov local government directory)

Population

July 1, 2024 estimate
239,807
April 1, 2020 estimates base
238,646
Change, 2020–2024
+1,161 (0.5%)

Source: U.S. Census Bureau, Population Estimates Program, Annual Resident Population Estimates for Counties, Vintage 2024 (co-est2024-alldata) (retrieved 2026-11-04). Full demographic, housing and economic profile: Census QuickFacts for Arlington County.

Tracked records

The research desk has no source-linked records for Arlington County yet. Suggest a primary source through the contact page.

Neighboring jurisdictions

Adjacency: U.S. Census Bureau county adjacency file (2024).

Region

All 133 Virginia counties and cities →

Jurisdiction name and FIPS code: U.S. Census Bureau.