San Castle

County:: Palm Beach County
County Seat:: No
Area (mi²):: 0.42
State:: Florida

San Castle is a CDP located in Palm Beach County, Florida. San Castle has a 2025 population of 3,133. San Castle is currently declining at a rate of -0.63% annually and its population has decreased by -22.85% since the most recent census, which recorded a population of 4,061 in 2020.

The average household income in San Castle is $70,929 with a poverty rate of 24.12%. The median age in San Castle is 36.7 years: 32 years for males, and 40.6 years for females.

Demographics

The racial composition of San Castle includes 36.53% White, 32.8% Black or African American, 10.6% other race, and smaller percentages for Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,154	36.53%
Black or African American	1,036	32.8%
Two or more races	562	17.79%
Other race	335	10.6%
Native American	72	2.28%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

San Castle Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

San Castle's average per capita income is $32,989. Household income levels show a median of $51,615. The poverty rate stands at 24.12%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$53,618	-
Families	$51,962	$74,606
Households	$51,615	$70,929
Non Families	$46,125	$59,768

$32,989

Average Income

$51,615

Median Household Income

24.12%

Poverty Rate