Zip Code 21075 — Elkridge, MD

ZIP Code 21075 is associated with Elkridge, MD, in Howard County. The listed population estimate is 37,363; estimated density is 1,035.5 people per square mile. Among records with population estimates, it ranks #5 of 20 in Howard County and #55 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.204140, -76.753010)

Data MetricLocal Statistic
Postal / Zip Code21075
Primary CityElkridge
State / ProvinceMD
CountyHoward
Total Population37,363
Population Density1,035.5 people/sq mi
TimezoneAmerica/New_York

How 21075 Compares

MetricZIP 21075Howard County recordsMD records
Population estimate37,363335,512 (sum)6,205,597 (sum)
Population Density1,035.5 /sq mi----
County population rank#5 of 20----
State population rank#55 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 21076Hanover3.0 mi24,268
ZIP 21045Columbia4.0 mi40,034
ZIP 20794Jessup4.1 mi16,814
ZIP 21250Baltimore4.2 mi2,834
ZIP 21077Harmans4.3 mi63

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 →