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, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

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