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, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

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