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Aberdeen, MD ZIP code

The ZIP code for Aberdeen, Maryland is 21001. It is in Harford County.

Population in these ZIPs
27,168
Avg. median income
$83,200population-weighted
Typical home value
$344,400population-weighted
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ZIP codes within 10 miles

Aberdeen, MD ZIP code list

Aberdeen, MD ZIP codes
ZIP codePopulationMedian incomeTypical home value
2100127,168$83,238$344,400

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 Aberdeen, MD?

The ZIP code for Aberdeen, MD is 21001.

What county is Aberdeen, Maryland in?

Aberdeen ZIP codes are in Harford County.