Ontario County > Seneca (town)
Population trend for Seneca
04,0001990: 2,7472,74719902000: 2,7312,73120002010: 2,7212,72120102020: 2,6442,64420202023: 2,6162,6162023
U.S. Census Bureau ACS, IPUMS

Seneca is a town in Ontario County, in the Finger Lakes region.

2023 Median income for Ontario County communities
American Community Survey, 2023
2000
Ontario County home price index (FHFA)
1977–2024: Home prices rose about 347%.

243 140 37 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 Seneca
American Community Survey, 2023
Household types in Seneca
Married-couple families: 580 (81.2%) Married-couple families Male householder (no spouse): 39 (5.5%) Male householder (no spouse) Female householder (no spouse): 95 (13.3%) Female householder (no spouse) Householder living alone: 250 (73.7%) Householder living alone Householder not living alone: 89 (26.3%) Householder not living alone Family Nonfamily
ACS, 2023
Poverty rates by age group in Seneca

Pct 5 and under 5% Pct 6 to 17 2% Pct 18 to 64 5% Pct 65 and over 28%

The overall poverty rate in Seneca is 5 percent.
The highest rate is found among residents ages 65 and over.
Year: 2023

ACS, 2023

Where residents of Seneca lived in the prior year

Same house: 2,424 (93.6%) Same county (different house): 96 (3.7%) Different NY county: 46 (1.8%) 2,590 current residents Same house: 2,424 (93.6%) Same house Same county (different house): 96 (3.7%) Same county (different house) Different NY county: 46 (1.8%) Different NY county Different state: 24 (0.9%) Different state (under 1%)
U.S. Census ACS, 2023
Median age of Seneca residents
40.1 45.1 44.6 44.5 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