St. James Flag

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.

13.8K
Total Population
3,031
Density (mi²)
33 0.24%
Growth

St. James Population

St. James Population

Data after 2023 is projected based on recent change

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)
White11,65785.21%
Two or more races9707.09%
Asian6114.47%
Other race4193.06%
Black or African American230.17%

St. James Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)