Sullivan County
Sullivan County has lower-than-average household income, with a median household income of $72,382. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $249,000. It sits in the top 10% of US counties for household income.
Population & growth
PEP 2025 EST:80,586 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 8 more hispanic origin groups with data
+ 45 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Sullivan County
Compare Sullivan County to nearby counties
How many people live in Sullivan County, New York?
Sullivan County, New York has about 79,721 residents according to the 2024 American Community Survey.
What is the median household income in Sullivan County, New York?
The typical household in Sullivan County, New York earns about $72,382 a year. Half of households make more than that, and half make less.
Is Sullivan County, New York expensive?
In Sullivan County, New York, the median home is worth about $249,000, and the typical rent is about $1,106 a month.
How educated are people in Sullivan County, New York?
About 30.1% of adults age 25 and over in Sullivan County, New York hold a bachelor's degree or higher.
What is the poverty rate in Sullivan County, New York?
About 15.9% of people in Sullivan County, New York live below the federal poverty line.
Has Sullivan County, New York grown since 1990?
Yes, Sullivan County, New York has grown since 1990. The population has added about 10,444 residents, a change of about 15 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024