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Cape St. Claire, MD Demographics & ZIP Codes
Cape St. Claire, Maryland demographics and median household income by ZIP code (in Anne Arundel County) — 1 ZIP codes — population 20,175 — median income $146,667 — avg. home value $499,700. Compare income, housing, and population across ZIP codes on US5.
Population
20,175
Median household income (avg.)
$146,667
195% of U.S. median
Average home value
$499,700
144% of U.S. median
Average rent
$1,787
154% of U.S. median
Median age (avg.)
42.8
Cape St. Claire demographics
Cape St. Claire, Maryland covers 1 ZIP code primarily in Anne Arundel County, with a combined ZIP-area population of about 20,175.
Across ZIP codes with age data, the average median age is about 42.8 years.
Median household income in Cape St. Claire
The average median household income across ZIP codes in Cape St. Claire, Maryland is about $146,667 — about 31% above the MD ZIP average ($111,660), and about 95% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $146,667 in 21409.
Housing in Cape St. Claire
For housing in Cape St. Claire, Maryland, the average median home value is about $499,700 and the average median rent is about $1,787.
The most populous ZIP in this set is 21409 (about 20,175 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Cape St. Claire
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 21409 | Cape St. Claire | Anne Arundel County | MD | 20,175 | $146,667 | $499,700 |
Frequently asked questions
What are the demographics of Cape St. Claire?
Cape St. Claire, Maryland has a combined ZIP-area population of about 20,175 across 1 ZIP codes (primarily Anne Arundel County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Cape St. Claire?
The average median household income across ZIP codes in Cape St. Claire, Maryland is about $146,667, about 31% above the state ZIP average ($111,660), and about 95% above the U.S. median ($75,149). Average median home value is about $499,700.
How many ZIP codes are in Cape St. Claire?
Cape St. Claire, Maryland includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Cape St. Claire?
This page lists ZIP codes in Cape St. Claire, Maryland with population, median household income, and home value. Select a ZIP for a full demographics profile.