Home > MD > Harford County > Street > Zip 21154

Zip Code 21154 — Street, MD

21154 is a ZIP Code associated with Street, MD, located within Harford. The postal region supports an estimated population of 6,544 residents across Data Pending housing units, with a population density of 64.2 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.653140, -76.360870)

Data Metric	Local Statistic
Postal / Zip Code	21154
Primary City	Street
State / Province	MD
County	Harford
Total Population	6,544
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	64.2 people/sq mi
Timezone	America/New_York

How 21154 Compares

Metric	ZIP 21154	Harford County	MD State Average
Population	6,544	262,768	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	64.2 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21132	Pylesville	4.5 mi	3,160	N/A
Zip 21160	Whiteford	4.7 mi	2,441	N/A
Zip 21050	Forest Hill	5.0 mi	17,466	N/A
Zip 21084	Jarrettsville	6.0 mi	7,070	N/A
Zip 21034	Darlington	7.4 mi	2,846	N/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 →