Sullivan County, New York Demographics 2026

Population Overview

Sullivan County is located in New York with a total population of 79,147. It is the 33rd most populous county out of 62 in New York.

Age Demographics

The median age in Sullivan County is 41.7 years. This is 5% higher than the state median of 39.6 years.

Economy, Income & Housing

The median household income in Sullivan County is $69,826. This is 17% lower than the state median of $84,578. Compared to the national median of $78,538, household income here is 11% lower. The poverty rate stands at 15.2%. This is 11% higher than the state poverty rate of 13.7%. The unemployment rate is 6.1%. This is 2% lower than the state rate of 6.2%. The median home value is $234,800. Housing costs are 42% lower than the state median of $403,000. The home-value-to-income ratio is 3.4x. 69.3% of occupied housing units are owner-occupied. This homeownership rate is 28% higher than the state average of 54.3%.

Race & Ethnicity

The largest racial or ethnic group in Sullivan County is White (non-Hispanic), making up 67.2% of the population. Hispanic or Latino residents account for 18.4%. The Asian population (2.0%) is well below the state average of 8.8%.

Education

29.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 25% 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 87.7%.