10 Most Populated ZIP Codes in District of Columbia
The top ZIP code for population in District of Columbia is 20002 (Washington, District of Columbia County), with a population of 70,580. Across the top 10 most populated ZIP codes in District of Columbia, population ranges from 70,580 to 31,591, covering communities from Washington to Washington.
Ranked list
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Methodology
Rankings are derived from the U.S. Census Bureau American Community Survey 5-Year Estimates, vintage 2019 to 2023, joined to USPS ZIP Code Tabulation Areas. We rank by population and surface the top 10 ZIP codes within District of Columbia. Values reflect ZCTA-level estimates and may differ slightly from city-level figures. Compiled and reviewed by the Zip Code Near Me Data Team.
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Reviewed by Zip Code Near Me Data Team. Last verified June 13, 2026.