Zip Code 20001 — Washington, DC

ZIP Code 20001 is associated with Washington, DC, in District of Columbia County. The listed population estimate is 44,616; estimated density is 8,414.4 people per square mile. Among records with population estimates, it ranks #6 of 31 in District of Columbia County and #6 of 31 in DC.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.910020, -77.018000)

Data MetricLocal Statistic
Postal / Zip Code20001
Primary CityWashington
State / ProvinceDC
CountyDistrict of Columbia
Total Population44,616
Population Density8,414.4 people/sq mi
TimezoneAmerica/New_York

How 20001 Compares

MetricZIP 20001District of Columbia County recordsDC records
Population estimate44,616681,294 (sum)681,294 (sum)
Population Density8,414.4 /sq mi----
County population rank#6 of 31----
State population rank#6 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 20005Washington0.8 mi13,131
ZIP 20059Washington0.9 mi1,338
ZIP 20535Washington1.1 miN/A
ZIP 20004Washington1.1 mi1,831
ZIP 20045Washington1.1 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 →