Port St John

County:: Brevard County
County Seat:: No
Area (mi²):: 9.321
State:: Florida

Port St. John is a CDP located in Brevard County, Florida. Port St. John has a 2025 population of 27,391. Port St. John is currently growing at a rate of 3.82% annually and its population has increased by 14.42% since the most recent census, which recorded a population of 23,940 in 2020.

The average household income in Port St. John is $99,533 with a poverty rate of 10.05%. The median age in Port St. John is 45.1 years: 45.1 years for males, and 45.1 years for females.

Demographics

The racial composition of Port St. John includes 84.62% White, 4.83% Black or African American, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native Hawaiian or Pacific Islander

Native American

Race	Population	Percentage (of total)
White	20,830	84.62%
Two or more races	1,890	7.68%
Black or African American	1,189	4.83%
Other race	315	1.28%
Asian	255	1.04%
Native Hawaiian or Pacific Islander	85	0.35%
Native American	53	0.22%

Port St. John Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Port St. John's average per capita income is $46,594. Household income levels show a median of $84,214. The poverty rate stands at 10.05%.

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	$100,556	-
Families	$92,250	$101,617
Households	$84,214	$99,533
Non Families	$48,333	$83,131

$46,594

Average Income

$84,214

Median Household Income

10.05%

Poverty Rate