Waterloo Flag

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 4,689 . Waterloo is currently declining at a rate of -0.7% annually and its population has decreased by -3.34% since the most recent census, which recorded a population of 4,851 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. For every 100 females there are 96.1 males.

4.7K
Total Population
2,174
Density (mi²)
-33 -0.7%
Growth

Waterloo Population

Waterloo Population

Data after 2023 is projected based on recent change

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

White (90.15%)

Two or more races (6.89%)

Black or African American (1.72%)

Other race (1.24%)

Race
Population
Percentage (of total)
White4,14790.15%
Two or more races3176.89%
Black or African American791.72%
Other race571.24%

Waterloo Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)