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zipcodes.pro — CITY/MD/CONOWINGO

Conowingo ZIP code, Maryland

The ZIP code for Conowingo, MD is 21918, and its area codes are 667, 443 and 410.

USPS city name
1 ZIP code
Population
4,169
Area codes
667, 443, 410

NANPA lists no telephone rate centre for Conowingo itself, so these are the area codes of the nearest one, Darlington (3.6 miles). A town on an area-code boundary can differ from its neighbour.

Conowingo in numbers

About 4,169 people live in Conowingo, in 1,775 households. The median household income is $84,587 a year, 18% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $324,800 (23% below the Maryland median).

Population4,169Conowingo4,169
Households1,775Conowingo1,775
Median household income$84,587Conowingo$84,587Maryland$103,678US $80,734
Median home value$324,800Conowingo$324,800Maryland$419,900US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Conowingo. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Conowingo

ZIP codes with the USPS city name Conowingo
ZIP City Type Population Median income Median home
21918 Conowingo , MD Standard 4,169 $84,587 $324,800

Map of Conowingo ZIP codes

21918

The ZIP codes of Conowingo, MD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Conowingo

The nearest larger towns are Perryville (4,447 people, 9.4 mi), Havre de Grace (14,994 people, 9.7 mi) and Aberdeen (17,298 people, 11 mi).

Towns near Conowingo
TownPopulationDistance
Rising Sun 2,764 6.4 mi
Perryville 4,447 9.4 mi
Havre de Grace 14,994 9.7 mi
Aberdeen 17,298 11.2 mi
Oxford, PA 5,825 12.8 mi
North East 4,134 13.4 mi
Bel Air 10,585 13.4 mi
Bel Air North 31,302 13.6 mi
Bel Air South 58,137 13.7 mi
Riverside 6,585 14.1 mi
Quarryville, PA 2,856 15.0 mi
Abingdon 5,019 15.7 mi
Jarrettsville 2,560 16.7 mi
Fallston 10,013 17.2 mi

More nearby: every ZIP code in Cecil County · Maryland ZIP codes

Cite this page

zipcodes.pro. “Conowingo, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/conowingo

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