Home > MD > Charles County > Waldorf > Zip 20603

Zip Code 20603 — Waldorf, MD

ZIP Code 20603 is associated with Waldorf, MD, in Charles County. The listed population estimate is 31,844; estimated density is 759.1 people per square mile. Among records with population estimates, it ranks #1 of 21 in Charles County and #77 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.629720, -76.974730)

Data MetricLocal Statistic
Postal / Zip Code20603
Primary CityWaldorf
State / ProvinceMD
CountyCharles
Total Population31,844
Population Density759.1 people/sq mi
TimezoneAmerica/New_York

How 20603 Compares

MetricZIP 20603Charles County recordsMD records
Population estimate31,844170,349 (sum)6,205,597 (sum)
Population Density759.1 /sq mi----
County population rank#1 of 21----
State population rank#77 of 470----

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 MD

ZIP CodeCityDistancePopulation estimate
ZIP 20695White Plains2.8 mi16,407
ZIP 20675Pomfret3.9 mi1,796
ZIP 20607Accokeek4.0 mi13,750
ZIP 20602Waldorf5.4 mi28,331
ZIP 20616Bryans Road6.4 mi8,057

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 →