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Zip Code 21840 — Nanticoke, MD

21840 is a ZIP Code associated with Nanticoke, MD, located within Wicomico. The postal region supports an estimated population of 576 residents across Data Pending housing units, with a population density of 42.2 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.258140, -75.892760)

Data Metric	Local Statistic
Postal / Zip Code	21840
Primary City	Nanticoke
State / Province	MD
County	Wicomico
Total Population	576
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	42.2 people/sq mi
Timezone	America/New_York

How 21840 Compares

Metric	ZIP 21840	Wicomico County	MD State Average
Population	576	106,688	6,205,597
Median Income	Data Pending	N/A	N/A
Population Density	42.2 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 21814	Bivalve	2.3 mi	217	N/A
Zip 21865	Tyaskin	3.8 mi	320	N/A
Zip 21821	Deal Island	6.4 mi	797	N/A
Zip 21856	Quantico	7.8 mi	1,037	N/A
Zip 21627	Crocheron	8.7 mi	26	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 →