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Zip Code 21031 — Hunt Valley, MD

21031 is a ZIP Code associated with Hunt Valley, MD, located within Baltimore. The postal region supports an estimated population of 26 residents across Data Pending housing units, with a population density of 10.7 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.487400, -76.657920)

Data Metric	Local Statistic
Postal / Zip Code	21031
Primary City	Hunt Valley
State / Province	MD
County	Baltimore
Total Population	26
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	10.7 people/sq mi
Timezone	America/New_York

How 21031 Compares

Metric	ZIP 21031	Baltimore County	MD State Average
Population	26	1,414,366	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	10.7 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21030	Cockeysville	0.5 mi	25,827	N/A
Zip 21093	Lutherville Timonium	3.5 mi	39,100	N/A
Zip 21152	Sparks Glencoe	4.4 mi	6,459	N/A
Zip 21131	Phoenix	4.6 mi	7,141	N/A
Zip 21023	Butler	5.0 mi	66	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 →