Home > MD > Harford County > Joppa > Zip 21085

Zip Code 21085 — Joppa, MD

21085 is a ZIP Code associated with Joppa, MD, located within Harford. The postal region supports an estimated population of 17,307 residents across Data Pending housing units, with a population density of 352.2 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.444620, -76.356010)

Data Metric	Local Statistic
Postal / Zip Code	21085
Primary City	Joppa
State / Province	MD
County	Harford
Total Population	17,307
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	352.2 people/sq mi
Timezone	America/New_York

How 21085 Compares

Metric	ZIP 21085	Harford County	MD State Average
Population	17,307	262,768	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	352.2 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21156	Upper Falls	2.2 mi	204	N/A
Zip 21087	Kingsville	3.2 mi	5,537	N/A
Zip 21040	Edgewood	3.7 mi	24,960	N/A
Zip 21009	Abingdon	3.8 mi	33,679	N/A
Zip 21162	White Marsh	4.4 mi	4,639	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 →