Southold

County:: Suffolk County
County Seat:: No
Area (mi²):: 10.465
State:: New York

Southold is a CDP located in Suffolk County, New York. Southold has a 2025 population of 6,546. Southold is currently growing at a rate of 0.83% annually and its population has increased by 10.09% since the most recent census, which recorded a population of 5,946 in 2020.

The average household income in Southold is $186,168 with a poverty rate of 3.29%. The median age in Southold is 51.9 years: 53.5 years for males, and 50.2 years for females.

Demographics

The racial composition of Southold includes 79.73% White, 9.53% other race, 3.74% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	5,262	79.73%
Other race	629	9.53%
Two or more races	408	6.18%
Asian	247	3.74%
Black or African American	54	0.82%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Southold Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Southold's average per capita income is $79,200. Household income levels show a median of $114,743. The poverty rate stands at 3.29%.

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	$180,030	-
Families	$167,072	$221,088
Households	$114,743	$186,168
Non Families	$65,844	$102,183

$79,200

Average Income

$114,743

Median Household Income

3.29%

Poverty Rate