Waterloo

County:: Seneca County
County Seat:: No
Area (mi²):: 2.157
State:: New York

Waterloo is a village located in Seneca County, New York. Waterloo has a 2025 population of 4,607. Waterloo is currently declining at a rate of -1.03% annually and its population has decreased by -4.99% since the most recent census, which recorded a population of 4,849 in 2020.

The average household income in Waterloo is $75,218 with a poverty rate of 11.32%.The median age in Waterloo is 50 years: 48.3 years for males, and 50.9 years for females.

Demographics

The racial composition of Waterloo includes 90.15% White, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	4,147	90.15%
Two or more races	317	6.89%
Black or African American	79	1.72%
Other race	57	1.24%

Waterloo Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Waterloo's average per capita income is $44,555. Household income levels show a median of $52,404. The poverty rate stands at 11.32%.

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	$94,595	-
Families	$76,332	$102,467
Households	$52,404	$75,218
Non Families	$32,309	$45,530

$44,555

Average Income

$52,404

Median Household Income

11.32%

Poverty Rate