Ontario is a very small town located in the state of New York. With a population of 2,215 people and four associated neighborhoods, Ontario is the 558th largest community in New York. Ontario has an unusually large stock of pre-World War II architecture, making it one of the older and more historic towns.

Being a small town, Ontario does not have a public transit system used by locals to get to and from work.

The population of Ontario overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Ontario, 22.82% have at least a bachelor's degree.

The per capita income in Ontario in 2018 was $31,284, which is lower middle income relative to New York, and middle income relative to the rest of the US. This equates to an annual income of $125,136 for a family of four. However, Ontario contains both very wealthy and poor people as well.

The people who call Ontario home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Ontario residents report their race to be White, followed by Black or African-American. Important ancestries of people in Ontario include German, Irish, Italian, English, and Dutch.

The most common language spoken in Ontario is English. Other important languages spoken here include Italian and Polish.