Zip Code 20003 — Washington, DC

ZIP Code 20003 is associated with Washington, DC, in District of Columbia County. The listed population estimate is 37,482; estimated density is 6,367.9 people per square mile. Among records with population estimates, it ranks #8 of 31 in District of Columbia County and #8 of 31 in DC.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.881930, -76.990330)

Data MetricLocal Statistic
Postal / Zip Code20003
Primary CityWashington
State / ProvinceDC
CountyDistrict of Columbia
Total Population37,482
Population Density6,367.9 people/sq mi
TimezoneAmerica/New_York

How 20003 Compares

MetricZIP 20003District of Columbia County recordsDC records
Population estimate37,482681,294 (sum)681,294 (sum)
Population Density6,367.9 /sq mi----
County population rank#8 of 31----
State population rank#8 of 31----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in DC

ZIP CodeCityDistancePopulation estimate
ZIP 20390Washington0.3 mi246
ZIP 20388Washington Navy Yard0.7 miN/A
ZIP 20540Washington0.9 miN/A
ZIP 20515Washington1.1 miN/A
ZIP 20510Washington1.2 miN/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →