Seneca
What’s happening
Weather
Forecast →Upcoming events
Put the next local happening — a market, a meeting, a concert — on the map.
Local news
Headlines via Google News · Articles belong to their publishers.
The Seneca album
Outdoors in Seneca
Parks & trails →Know a trail or park that’s missing? Anyone can add it to OpenStreetMap, and it shows up here on the next refresh.
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
1880
Grist Mill and Miller's Residence , Turbine - Water Wheels - Undershot, Paint Shop Store Houses, Barn and Rear of Facto…, 1880
Photo · Wikimedia Commons
About Seneca
Town in Ontario County, New York, USSeneca is a town in Ontario County, New York, United States. The population was 2,658 at the 2020 census. The town is named after a group of local natives. The Town of Seneca is on the southern border of the county and is southwest of the City of Geneva. The Town of West Seneca in Erie County added "west" to its name to avoid confusion with the Town of Seneca.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
How Seneca ranks
All →Town numbers
Housing in Seneca
The median sale price was $295,000 in May 2026.
Health in Seneca
Health Grade B+
Healthier than 65% of U.S. towns on seven CDC estimates.
Compared with New York
of 32 measures CDC estimates. The other 23 are too close to call.
What stands out
Care nearby
Where Seneca is
Explore map →Imported town boundary