Southold Flag

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.

6.5K
Total Population
626
Density (mi²)
54 0.83%
Growth

Southold Population

Southold Population

Data after 2023 is projected based on recent change

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 and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White5,26279.73%
Other race6299.53%
Two or more races4086.18%
Asian2473.74%
Black or African American540.82%

Southold Marital Status

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

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

Nearby Cities

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)