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Arlington — UN urban centre

311,130

Arlington: 311,130 people. Reference: 2025 annual estimate · World rank #1,843 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 6413; territory: United States (USA). UN source workbook.

Method: Degree of Urbanisation (contiguous 1 km2 cells, density 1,500+ people/km2, total 50,000+). This is a source-defined urban centre, not a municipality or province. No association with a separate administrative entity is inferred from proximity or name.

Source centroid: 32.7202, -97.0869. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.

UN population series

YearPeopleMethod
199558,656Estimate
200076,852Estimate
200599,873Estimate
2010179,751Estimate
2015259,652Estimate
2020303,481Estimate
2025311,130Estimate
2030320,773Projection
2035342,106Projection
2040349,212Projection
2045367,589Projection
2050373,569Projection

Largest UN urban centres · Fastest-growing urban centres

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This page is a structured reference entry. Its sources, geographic definition and reference dates determine what the figures mean; it is not independent reporting about the causes of change. Read the accompanying explanation before comparing different places or vintages.

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Interpretation reviewed 12 October 2026. Underlying reference years are stated on the page; this is not a fresh census or dataset refresh.