Seneca County > Waterloo (village)
Population trend for Waterloo
06,0001970: 5,4185,41819701980: 5,3035,30319801990: 5,1165,11619902000: 5,1115,11120002010: 5,1715,17120102020: 4,8104,81020202023: 4,6004,6002023
U.S. Census Bureau ACS, IPUMS

Waterloo is a village in the towns of Fayette, Seneca Falls, and Waterloo in the Finger Lakes region.

Community anchors include Seneca County government, Waterloo Central School District and Waterloo Library and Historical Society.

Please note: There are multiple places in Upstate New York named Waterloo: Waterloo (Village, Seneca County); Waterloo (Town, Seneca County).

2023 Median income for Seneca County communities
American Community Survey, 2023
2000
Seneca County home price index (FHFA)
1977–2024: Home prices rose about 303%.

264 151 38 1977 2024

The numbers at left represent an index, not dollar prices. The index is set to 100 in the year 2000.

Federal Reserve Bank of St. Louis (FRED)
Occupied housing units in Waterloo
American Community Survey, 2023
Household types in Waterloo
Married-couple families: 658 (66.9%) Married-couple families Male householder (no spouse): 137 (13.9%) Male householder (no spouse) Female householder (no spouse): 188 (19.1%) Female householder (no spouse) Householder living alone: 809 (78.6%) Householder living alone Householder not living alone: 220 (21.4%) Householder not living alone Family Nonfamily
ACS, 2023
Poverty rates by age group in Waterloo

Pct 5 and under 24% Pct 6 to 17 6% Pct 18 to 64 13% Pct 65 and over 8%

The overall poverty rate in Waterloo is 11 percent.
The highest rate is found among residents ages 5 and under.
Year: 2023

ACS, 2023

Where residents of Waterloo lived in the prior year

Same house: 3,932 (85.7%) Same county (different house): 238 (5.2%) Different NY county: 420 (9.2%) 4,590 current residents Same house: 3,932 (85.7%) Same house Different NY county: 420 (9.2%) Different NY county Same county (different house): 238 (5.2%) Same county (different house)
U.S. Census ACS, 2023
Median age of Waterloo residents
45.1 41.1 44.4 50 2010 2015 2020 2023


The margin of error can be high in 2023 estimates, particularly for small towns and villages.

Changes in median age can also indicate a shift in the number of school-age children; see the Education page for enrollment trends.

U.S. Census Bureau