St. James

County:: Suffolk County
County Seat:: No
Area (mi²):: 4.564
State:: New York

St. James is a CDP located in Suffolk County, New York. St. James has a 2025 population of 13,832. St. James is currently growing at a rate of 0.24% annually and its population has increased by 2.21% since the most recent census, which recorded a population of 13,533 in 2020.

The average household income in St. James is $174,984 with a poverty rate of 2.94%.The median age in St. James is 47.4 years: 43.9 years for males, and 49.8 years for females.

Demographics

The racial composition of St. James includes 85.21% White, 4.47% Asian, 3.06% other race, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	11,657	85.21%
Two or more races	970	7.09%
Asian	611	4.47%
Other race	419	3.06%
Black or African American	23	0.17%

St. James Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. James' average per capita income is $82,845. Household income levels show a median of $130,556. The poverty rate stands at 2.94%.

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	$183,750	-
Families	$168,184	$202,509
Households	$130,556	$174,984
Non Families	$62,564	$103,022

$82,845

Average Income

$130,556

Median Household Income

2.94%

Poverty Rate