Terryville

County:: Suffolk County
County Seat:: No
Area (mi²):: 3.155
State:: New York

Terryville is a CDP located in Suffolk County, New York. Terryville has a 2025 population of 10,650. Terryville is currently declining at a rate of -0.75% annually and its population has decreased by -6.88% since the most recent census, which recorded a population of 11,437 in 2020.

The average household income in Terryville is $129,350 with a poverty rate of 2.48%.The median age in Terryville is 40.6 years: 41.1 years for males, and 39.3 years for females.

Demographics

The racial composition of Terryville includes 80.88% White, 10.24% other race, 4.2% Black or African American, and smaller percentages for Asian, Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	8,866	80.88%
Other race	1,123	10.24%
Black or African American	460	4.2%
Asian	321	2.93%
Two or more races	192	1.75%

Terryville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Terryville's average per capita income is $64,945. Household income levels show a median of $112,262. The poverty rate stands at 2.48%.

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	$148,819	-
Families	$131,250	$152,835
Households	$112,262	$129,350
Non Families	$46,020	$58,752

$64,945

Average Income

$112,262

Median Household Income

2.48%

Poverty Rate