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. For every 100 females there are 100.8 males.
Data after 2023 is projected based on recent change
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.
White (79.73%)
Other race (9.53%)
Two or more races (6.18%)
Asian (3.74%)
Black or African American (0.82%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $180,030 | - |
| Families | $167,072 | $221,088 |
| Households | $114,743 | $186,168 |
| Non Families | $65,844 | $102,183 |
Average Income
Median Household Income
Poverty Rate