Zip Code 21212 — Baltimore, MD

ZIP Code 21212 is associated with Baltimore, MD, in Baltimore County. The listed population estimate is 33,974; estimated density is 2,860.4 people per square mile. Among records with population estimates, it ranks #18 of 65 in Baltimore County and #68 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.367800, -76.614560)

Data MetricLocal Statistic
Postal / Zip Code21212
Primary CityBaltimore
State / ProvinceMD
CountyBaltimore
Total Population33,974
Population Density2,860.4 people/sq mi
TimezoneAmerica/New_York

How 21212 Compares

MetricZIP 21212Baltimore County recordsMD records
Population estimate33,9741,414,366 (sum)6,205,597 (sum)
Population Density2,860.4 /sq mi----
County population rank#18 of 65----
State population rank#68 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 21210Baltimore1.3 mi14,134
ZIP 21285Towson1.4 mi3
ZIP 21239Baltimore1.5 mi27,346
ZIP 21252Towson1.8 mi4,865
ZIP 21251Baltimore2.2 mi191

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 →