Williamstown

County:: Oswego County
County Seat:: No
Area (mi²):: 38.674
State:: New York

Williamstown is located in Oswego County, New York. Williamstown has a 2025 population of 1,353. Williamstown is currently growing at a rate of 0.37% annually and its population has increased by 1.5% since the most recent census, which recorded a population of 1,333 in 2020.

The average household income in Williamstown is $67,281 with a poverty rate of 19.42%. The median age in Williamstown is 29.8 years: 25.5 years for males, and 34.1 years for females.

Demographics

The racial composition of Williamstown includes 97.03% White, and smaller percentages for Two or more races, other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,599	97.03%
Two or more races	34	2.06%
Other race	8	0.49%
Black or African American	5	0.3%
Native American	2	0.12%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Williamstown Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Williamstown's average per capita income is $40,396. Household income levels show a median of $59,726. The poverty rate stands at 19.42%.

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	$75,833	-
Families	$59,963	$71,604
Households	$59,726	$67,281
Non Families	$37,500	$49,466

$40,396

Average Income

$59,726

Median Household Income

19.42%

Poverty Rate