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Joppa, MD ZIP code

The ZIP code for Joppa, Maryland is 21085. It is in Harford County.

Population in these ZIPs
17,307
Avg. median income
$113,700population-weighted
Typical home value
$365,000population-weighted
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ZIP codes within 10 miles

Joppa, MD ZIP code list

Joppa, MD ZIP codes
ZIP codePopulationMedian incomeTypical home value
2108517,307$113,714$365,000

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

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Frequently asked questions

What is the ZIP code for Joppa, MD?

The ZIP code for Joppa, MD is 21085.

What county is Joppa, Maryland in?

Joppa ZIP codes are in Harford County.