Zip Code 20390 — Washington, DC

ZIP Code 20390 is associated with Washington, DC, in District of Columbia County. The listed population estimate is 246; estimated density is 22,496.6 people per square mile. Among records with population estimates, it ranks #28 of 31 in District of Columbia County and #28 of 31 in DC.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.879020, -76.993750)

Data MetricLocal Statistic
Postal / Zip Code20390
Primary CityWashington
State / ProvinceDC
CountyDistrict of Columbia
Total Population246
Population Density22,496.6 people/sq mi
TimezoneAmerica/New_York

How 20390 Compares

MetricZIP 20390District of Columbia County recordsDC records
Population estimate246681,294 (sum)681,294 (sum)
Population Density22,496.6 /sq mi----
County population rank#28 of 31----
State population rank#28 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 20003Washington0.3 mi37,482
ZIP 20388Washington Navy Yard0.5 miN/A
ZIP 20540Washington0.9 miN/A
ZIP 20515Washington1.0 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 →