Cape St. Claire is a CDP located in Anne Arundel County, Maryland. Cape St. Claire has a 2025 population of 9,328 . Cape St. Claire is currently growing at a rate of 0.41% annually and its population has increased by 10.98% since the most recent census, which recorded a population of 8,405 in 2020.
The average household income in Cape St. Claire is $161,613 with a poverty rate of 3.04%. The median age in Cape St. Claire is 40.2 years: 38.5 years for males, and 41.8 years for females. For every 100 females there are 98.6 males.
Data after 2023 is projected based on recent change
The racial composition of Cape St. Claire includes 81.07% White, 3.97% Black or African American, 3.18% other race, and smaller percentages for Asian and multiracial populations.
White (81.07%)
Two or more races (9.13%)
Black or African American (3.97%)
Other race (3.18%)
Asian (2.65%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 7,309 | 81.07% |
| Two or more races | 823 | 9.13% |
| Black or African American | 358 | 3.97% |
| Other race | 287 | 3.18% |
| Asian | 239 | 2.65% |
Married
Widowed
Divorced
Separated
Never Married
Cape St. Claire's average per capita income is $72,295. Household income levels show a median of $136,064. The poverty rate stands at 3.04%.
Name | Median | Mean |
|---|---|---|
| Married Families | $165,781 | - |
| Families | $151,638 | $181,423 |
| Households | $136,064 | $161,613 |
| Non Families | $81,250 | $92,660 |
Average Income
Median Household Income
Poverty Rate