Ontario County, New York Demographics 2026

Population Overview

Ontario County is located in New York with a total population of 112,405. It is the 26th most populous county out of 62 in New York. The county encompasses 1 Census-designated place.

Age Demographics

The median age in Ontario County is 43.9 years. This is 11% higher than the state median of 39.6 years.

Economy, Income & Housing

The median household income in Ontario County is $79,814. This is 6% lower than the state median of $84,578. Compared to the national median of $78,538, household income here is 2% higher. The poverty rate stands at 9.2%. This is 33% lower than the state poverty rate of 13.7%. The unemployment rate is 4.0%. This is 35% lower than the state rate of 6.2%. The median home value is $202,900. Housing costs are 50% lower than the state median of $403,000. With a home-value-to-income ratio of just 2.5x, Ontario County is one of the most affordable housing markets in the area. 72.8% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 54.3%.

Race & Ethnicity

Ontario County has a predominantly White (non-Hispanic) population, comprising 87.4% of all residents. Hispanic or Latino residents account for 5.6%. The White (non-Hispanic) population is significantly higher than the state average (87.4% vs 53.4%). The Black or African American population (2.1%) is well below the state average of 13.6%. The Hispanic or Latino population (5.6%) is well below the state average of 19.6%. The Asian population (1.4%) is well below the state average of 8.8%.

Education

37.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% lower than the state rate of 39.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.3%. Notably, 17.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.