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 and multiracial populations.

Population by Race

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%

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