County · New York
Sullivan County, New York
Sullivan County, New York. Sullivan County had 80,586 residents in 2025 by the Census Bureau's estimate, up 2.5% since 2020, while New York shrank 1.0%. It holds 46 places (6 cities, villages and boroughs, 15 towns and townships and 25 census-designated) and 31 census tracts. GEOID 36105.
Sullivan County is the county of the Monticello, NY micropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
80,586
Census Bureau estimate (no margin published)
2020 Census count: 78,624 · ACS 2020-2024: 79,721
Median household income
$72,382
±$5,140 (90% margin)
New York: $85,974
Median home value
$249,000
±$8,949 (90% margin)
New York: $423,800
Median gross rent
$1,106
±$52 (90% margin)
New York: $1,621
How many people live in Sullivan County, and is it growing?
The 2020 Census counted 78,624 residents in Sullivan County. The Census Bureau estimates 80,586 for July 1, 2025, up 2.5% since 2020, while New York shrank 1.0%. The 2020-2024 American Community Survey puts the population at 79,721 over 968 square miles of land.
| Measure | Sullivan County | New York | Change since 2015-2019 |
|---|---|---|---|
| Total population | 79,721 | 19,852,366 | +4,605 |
| Households | 31,434±846 | 7,722,646 | +3,250 |
| Average household size | 2.39±0.06 | 2.49 | −0.14 |
| Housing units | 49,994±173 | 8,585,241 | −721 |
Sullivan County's population since 2000
From 73,966 in 2000 to 80,586 in 2025: up 9.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Sullivan County?
Sullivan County holds 46 places: 6 cities, villages and boroughs (incorporated places), 15 towns and townships (county subdivisions with their own government) and 25 census-designated places. The largest is Town of Thompson with 16,722 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Thompson (town) | 16,550 | $65,021 |
|---|---|---|
| Fallsburg (town) | 14,192 | $62,452 |
| Mamakating (town) | 12,655 | $90,631 |
| Liberty (town) | 10,159 | $68,047 |
| Monticello | 7,173 | $50,583 |
| Liberty | 4,700 | $64,913 |
| Bethel (town) | 3,959 | $67,048 |
| Neversink (town) | 3,366 | $80,682 |
| Rockland (town) | 3,290 | $52,778 |
| Callicoon (town) | 2,989 | $92,833 |
| Rock Hill | 2,369 | $112,344 |
| South Fallsburg | 2,347 | $44,706 |
| Lumberland (town) | 2,243 | $102,957 |
| Delaware (town) | 2,203 | $96,146 |
| Highland (town) | 2,196 | $63,846 |
| FallsburgGEOID 3625230 | 1,862 | $56,056 |
| Cochecton (town) | 1,448 | $72,292 |
| Tusten (town) | 1,405 | $75,893 |
| Fremont (town), Sullivan County | 1,161 | $67,115 |
| Wurtsboro | 1,124 | $79,000 |
| Livingston Manor | 1,053 | $48,580 |
| BloomingburgGEOID 3606959 | 1,032 | $28,958 |
| Loch SheldrakeGEOID 3643038 | 1,025 | $27,214 |
| Wurtsboro Hills | 867 | $78,514 |
| SmallwoodGEOID 3667730 | 839 | $65,186 |
| Forestburgh (town) | 808 | $133,438 |
| Woodridge | 747 | $61,298 |
| Mountain DaleGEOID 3648736 | 633 | $41,250 |
| HurleyvilleGEOID 3637154 | 519 | $85,846 |
| RoscoeGEOID 3663583 | 497 | $72,566 |
| WoodbourneGEOID 3682733 | 411 | not published |
| Narrowsburg | 379 | $57,083 |
| Swan LakeGEOID 3672400 | 372 | $68,056 |
| Jeffersonville | 368 | $76,000 |
| GrahamsvilleGEOID 3629707 | 360 | not published |
| Kiamesha LakeGEOID 3639485 | 320 | not published |
| Kauneonga LakeGEOID 3638985 | 305 | $176,000 |
| Lake Huntington | 283 | not published |
| Mongaup ValleyGEOID 3647977 | 236 | $115,111 |
| BarryvilleGEOID 3604616 | 222 | not published |
| EldredGEOID 3623811 | 212 | not published |
| White Lake (Sullivan County)GEOID 3681655 | 207 | not published |
| CallicoonGEOID 3611748 | 206 | $64,034 |
| HortonvilleGEOID 3635738 | 180 | $112,910 |
| BridgevilleGEOID 3608158 | 149 | not published |
| HankinsGEOID 3631973 | 129 | $49,318 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Sullivan County?
The median resident of Sullivan County is 41.7 years old; 21.4% are under 18 and 19.3% are 65 or older. The largest group is non-Hispanic white residents at 66.0%, then Hispanic or Latino residents (of any race) at 19.0%. 13.0% of residents were born outside the United States.
| Measure | Sullivan County | New York | Change since 2015-2019 |
|---|---|---|---|
| Median age | 41.7±0.3 | 39.8 | −1.1 |
| Under 18 years | 21.4% | 20.5% | – |
| 65 years and over | 19.3%±0.1 pts | 17.9% | – |
| Hispanic or Latino (any race) | 19.0% | 19.8% | +3.0 pts |
| White alone, not Hispanic | 66.0%±0.5 pts | 52.8% | −5.5 pts |
| Black or African American alone, not Hispanic | 8.4%±0.5 pts | 13.4% | +1.0 pts |
| Asian alone, not Hispanic | 2.1%±0.1 pts | 9.0% | +0.5 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.2%±0.1 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.2 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.6%±0.5 pts | 3.8% | – |
| Some other race alone, not Hispanic | 0.7%±0.3 pts | 1.0% | – |
| Born outside the United States | 13.0%±1.1 pts | 22.8% | +3.6 pts |
| Speak a language other than English at home (age 5+) | 22.1%±1.3 pts | 30.9% | – |
| Civilian veterans (age 18+) | 5.6%±0.6 pts | 3.7% | – |
| With a disability | 15.9%±0.9 pts | 12.6% | – |
| No health insurance coverage | 5.5%±1.0 pts | 5.1% | no clear change |
| High school graduate or higher (age 25+) | 87.9%±1.1 pts | 88.0% | – |
| Bachelor's degree or higher (age 25+) | 30.1%±1.7 pts | 40.2% | +5.3 pts |
| Graduate or professional degree (age 25+) | 12.9%±1.2 pts | 17.9% | – |
| Moved from another state in the past year | 1.1%±0.4 pts | 1.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Sullivan County earn?
Half of Sullivan County's 31,434 households earn less than $72,382 a year (±$5,140), against $85,974 in New York. In 2015-2019 it was $70,674 in 2024 dollars; the margins of error cannot tell the two periods apart. 15.9% of residents live below the poverty line.
| Measure | Sullivan County | New York | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $72,382±$5,140 | $85,974 | no clear change |
| Mean household income | $105,703±$5,280 | $128,247 | – |
| Per capita income | $42,334±$1,923 | $50,712 | +$4,864 |
| People below the poverty line | 15.9%±1.9 pts | 14.0% | no clear change |
| Children under 18 below the poverty line | 23.5%±4.5 pts | 18.3% | no clear change |
| Households receiving SNAP | 17.1%±1.7 pts | 15.6% | – |
| Households with a broadband subscription | 89.4%±1.4 pts | 90.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Sullivan County?
Owners occupy 67.4% of Sullivan County's occupied homes and renters 32.6%. The median owner-occupied home is valued at $249,000 by its owner (±$8,949). The median renter pays $1,106 a month including utilities, and 39.3% of renters pay 35% or more of their income on rent.
| Measure | Sullivan County | New York | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $249,000±$8,949 | $423,800 | +$36,336 |
| Median gross rent | $1,106±$52 | $1,621 | no clear change |
| Renters paying 35% or more of income on rent | 39.3%±4.7 pts | 43.1% | no clear change |
| Median monthly owner costs, with a mortgage | $1,945±$84 | $2,555 | – |
| Owner-occupied homes | 67.4%±2.2 pts | 54.3% | no clear change |
| Housing units | 49,994±173 | 8,585,241 | −721 |
| Homeowner vacancy rate | 1.7%±0.7 pts | 1.1% | – |
| Rental vacancy rate | 5.3%±1.8 pts | 3.8% | – |
| Single-family detached homes | 69.7%±1.3 pts | 41.2% | – |
| Mobile homes | 8.8%±0.9 pts | 2.1% | – |
| Built 2020 or later | 0.9%±0.4 pts | 0.8% | – |
| Built 1939 or earlier | 20.1%±1.5 pts | 30.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Sullivan County building?
Builders took permits for 568 new housing units across Sullivan County in 2025 (474 single-family), 7.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Sullivan County get to work?
71.5% of Sullivan County's workers drive alone and 13.2% work from home. The average trip to work takes 28.0 minutes. The unemployment rate in 2020-2024 averaged 5.8%.
| Measure | Sullivan County | New York | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 58.9%±1.4 pts | 62.7% | – |
| Unemployment rate | 5.8%±1.3 pts | 6.4% | no clear change |
| Drove alone to work | 71.5%±2.4 pts | 48.8% | – |
| Carpooled | 9.0%±1.4 pts | 6.3% | – |
| Public transportation | 1.3%±0.3 pts | 21.6% | – |
| Walked | 2.9%±0.8 pts | 5.6% | – |
| Worked from home | 13.2%±1.4 pts | 14.9% | +8.7 pts |
| Mean travel time to work | 28.0 min±1.4 | 32.6 min | −2.6 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Sullivan County's census tracts?
Sullivan County is divided into 31 census tracts. Among those with a reliable estimate, median household income runs from $46,607 (Tract 9509) to $133,438 (Tract 9517.02).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Sullivan County compare with New York's other counties?
| Measure | Rank |
|---|---|
| Population | 33rd of 62 |
| Growth 2020-2025 | 5th of 62 |
| Residents per square mile | 42nd of 62 |
| Median household income | 31st of 62 |
| Median home value | 22nd of 62 |
| Median gross rent | 24th of 62 |
| Poverty rate | 14th of 62 |
| Bachelor's degree or higher | 29th of 62 |
| Median age | 37th of 62 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Sullivan County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.