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zipcodes.pro — CITY/MD/CAPE-ST-CLAIRE

Cape St. Claire ZIP codes, Maryland

No ZIP code is named for Cape St. Claire, MD; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 21012 and 21409. Its area codes are 443, 410 and 667.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
9,236
Area codes
443, 410, 667

NANPA lists no telephone rate centre for Cape St. Claire itself, so these are the area codes of the nearest one, Annapolis (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Cape St. Claire in numbers

About 9,236 people live in Cape St. Claire, in 3,312 households. The median household income is $136,111 a year, 31% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $488,200 (16% above the Maryland median), and median gross rent is $2,031 a month. The median age is 39.9; 56.2% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 32 minutes.

Population9,236Cape St. Claire9,236
Households3,312Cape St. Claire3,312
Median age39.9Cape St. Claire39.9Maryland39.4US 38.9
Median household income$136,111Cape St. Claire$136,111Maryland$103,678US $80,734
Median home value$488,200Cape St. Claire$488,200Maryland$419,900US $332,700
Median gross rent$2,031Cape St. Claire$2,031Maryland$1,705US $1,413
Bachelor's degree or higher56.2%Cape St. Claire56.2%Maryland43.4%US 35.7%
Mean commute31.5 minCape St. Claire31.5 minMaryland31.1 minUS 26.4 min
Population density4,618 / sq miCape St. Claire4,618 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Cape St. Claire CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Cape St. Claire

These ZIP codes cover part of Cape St. Claire but are addressed as somewhere else.

ZIP codes overlapping Cape St. Claire
ZIP City Type Population Median income Median home
21012 Arnold , MD Standard 22,570 $139,432 $563,800
21409 Annapolis , MD Standard 20,289 $147,151 $535,500

Map of Cape St. Claire ZIP codes

2101221409

The ZIP codes of Cape St. Claire, 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 Cape St. Claire

The nearest larger towns are Arnold (24,303 people, 3.2 mi), Lake Shore (18,249 people, 4.1 mi) and Annapolis (40,720 people, 5.9 mi).

Towns near Cape St. Claire
TownPopulationDistance
Arnold 24,303 3.2 mi
Lake Shore 18,249 4.1 mi
Naval Academy 3,006 4.5 mi
Annapolis 40,720 5.9 mi
Parole 17,229 6.9 mi
Severna Park 40,228 7.1 mi
Annapolis Neck 12,032 7.9 mi
Stevensville 8,802 8.3 mi
Edgewater 8,519 9.2 mi
Riviera Beach 12,192 9.4 mi
Pasadena 34,309 9.9 mi
Chester 4,797 10.2 mi
Mayo 8,694 10.3 mi
Riva 4,976 10.3 mi

More nearby: every ZIP code in Anne Arundel County · Maryland ZIP codes

Cite this page

zipcodes.pro. “Cape St. Claire, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/cape-st-claire

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