Cape St. Claire, Maryland Demographics & Population 2026
During the 2020–2024 ACS period, Cape St. Claire, Maryland had a total population of 9,236, the 149th largest community in Maryland, with a median household income of $136,111, which is 31% higher than the state average. The poverty rate is 4.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 31% above the state average — one of the wealthiest communities in Maryland.
- An exceptionally low poverty rate of 4.3% — among the lowest in Maryland.
Cape St. Claire Quick Facts
How Cape St. Claire Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 9,016 | 9,236 | +2.4% |
| Median household income | $136,064 | $136,111 | +0.0% |
| Median home value | $475,700 | $488,200 | +2.6% |
How Cape St. Claire Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 68 | National average: 61
Education
Educational Attainment (Adults 25+)
Cape St. Claire Rankings in Maryland
Explore Maryland Rankings
Other Cities in Anne Arundel County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Glen Burnie | 72,590 | $88,280 | 9.3% | $348,900 |
| Severn | 58,402 | $134,423 | 5.7% | $479,200 |
| Odenton | 45,002 | $128,441 | 4.5% | $435,300 |
| Annapolis | 40,720 | $113,860 | 7.8% | $548,900 |
| Severna Park | 40,228 | $169,953 | 2.8% | $647,200 |
| Pasadena | 34,309 | $129,727 | 5.7% | $423,400 |
| Crofton | 29,549 | $150,577 | 2.9% | $519,900 |
| Arnold | 24,303 | $141,639 | 3.1% | $564,200 |
| Maryland City | 19,186 | $117,337 | 8.9% | $424,900 |
| Lake Shore | 18,249 | $130,689 | 6.4% | $473,600 |
Cities Similar to Cape St. Claire
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| North Kensington | 8,954 | $135,040 | $576,700 | 60.5% | 4.3% |
| Marlboro Village | 9,382 | $122,856 | $382,600 | 44.4% | 2.5% |
| Bryans Road | 9,371 | $118,361 | $377,300 | 29.3% | 2.8% |
| Jessup | 9,931 | $128,851 | $462,000 | 20.7% | 8.3% |
| Burtonsville | 10,203 | $134,276 | $488,800 | 48.3% | 4.3% |
Population Overview
Cape St. Claire is a small city located in Maryland, within Anne Arundel County. The total population is 9,236. It ranks as the 149th most populous out of 527 Census-designated places in Maryland.
Age Demographics
The median age in Cape St. Claire is 39.9 years. This is 1% higher than the state median of 39.4 years.
Economy, Income & Housing
The median household income in Cape St. Claire is $136,111. This is 31% higher than the state median of $103,678. It is also 69% higher than the national median of $80,734. The poverty rate stands at 4.3%. This is 54% lower than the state poverty rate of 9.4%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 5.3%. This is 8% higher than the state rate of 4.9%. The median home value is $488,200. Housing costs are 16% higher than the state median of $419,900. The home-value-to-income ratio is 3.6x. 88.3% of occupied housing units are owner-occupied. This homeownership rate is 31% higher than the state average of 67.6%.
Race & Ethnicity
The largest racial or ethnic group in Cape St. Claire is White (non-Hispanic), making up 79.8% of the population. Hispanic or Latino residents account for 4.9%. The White (non-Hispanic) population is significantly higher than the state average (79.8% vs 46.6%). The Black or African American population (4.1%) is well below the state average of 28.9%. The Hispanic or Latino population (4.9%) is well below the state average of 12.5%.
Education
56.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% higher than the state rate of 43.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.7%. Notably, 30.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Cape St. Claire, Maryland is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Maryland state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 527 Census-designated places in Maryland. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Cape St. Claire, Maryland?
Cape St. Claire, Maryland has a population of 9,236 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Cape St. Claire, MD?
The median household income in Cape St. Claire is $136,111, which is 69% higher than the national median of $80,734.
What is the poverty rate in Cape St. Claire, MD?
The poverty rate in Cape St. Claire is 4.3%. This means approximately 397 residents live below the federal poverty line.
What is the racial makeup of Cape St. Claire, Maryland?
Cape St. Claire's population is 79.8% White, 4.1% Black, 4.9% Hispanic/Latino, and 3.6% Asian.
What is the median home value in Cape St. Claire, MD?
The median home value in Cape St. Claire is $488,200. The home-value-to-income ratio is 3.6x.
How educated is Cape St. Claire, Maryland?
56.2% of adults (25+) in Cape St. Claire hold a bachelor's degree or higher, and 30.0% hold a graduate or professional degree.