Mardela Springs, MD ZIP code

The ZIP code for Mardela Springs (also written Mardela Spgs), Maryland is 21837. It is in Wicomico County.

• 21837

Population in these ZIPs

2,891

Avg. median income

$62,900population-weighted

Typical home value

$290,800population-weighted

Metro area

Salisbury, MD

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ZIP codes within 10 miles

Mardela Springs, MD ZIP code list

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