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Zip Code 21156 — Upper Falls, MD

21156 is a ZIP Code associated with Upper Falls, MD, located within Baltimore. The postal region supports an estimated population of 204 residents across Data Pending housing units, with a population density of 75.0 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.437520, -76.397000)

Data Metric	Local Statistic
Postal / Zip Code	21156
Primary City	Upper Falls
State / Province	MD
County	Baltimore
Total Population	204
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	75.0 people/sq mi
Timezone	America/New_York

How 21156 Compares

Metric	ZIP 21156	Baltimore County	MD State Average
Population	204	1,414,366	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	75.0 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21087	Kingsville	1.2 mi	5,537	N/A
Zip 21085	Joppa	2.2 mi	17,307	N/A
Zip 21162	White Marsh	3.2 mi	4,639	N/A
Zip 21128	Perry Hall	3.4 mi	15,501	N/A
Zip 21051	Fork	3.9 mi	172	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 →