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Sullivan County, New York

Sullivan County profile, demographic data, and geographic information.

Sullivan County is a county located in New York, United States of America. As of official census estimates, it has a reported population of 80,586. The land area covers 968.15 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Sullivan County
Official Title: County Manager
Address: PO BOX 5012, MONTICELLO NY 12701-5192

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 80,586 — 2025 / Census
Median Age 41.7 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 31,434 ±846 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 49,994 ±173
Occupied Housing Units 31,434 ±846
Vacant Housing Units 18,560 ±812
Median Home Value $249,000 ±$8,949
Median Gross Rent $1,106 ±$52
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $72,382 ±$5,140
Per Capita Income $42,334 ±$1,923
Poverty Rate 15.9% ±1.9%
Population Below Poverty Level 12,173 ±1,428
Unemployment Rate 5.8% ±1.3%
Civilian Labor Force, Employed 35,747 ±1,079
Broadband Internet Rate 89.4% ±1.4%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at LIBERTY 1 NE, NY US, located 5.9 miles from Sullivan County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 30.4° 13.2° 21.8° 3.68" 16.6"
February 33.2° 14.2° 23.7° 2.78" 17.4"
March 41.3° 21.5° 31.4° 3.91" 12.8"
April 54.6° 32.3° 43.5° 4.19" 3.3"
May 65.7° 42.7° 54.2° 4.74" 0.0"
June 73.7° 52.1° 62.9° 5.22" 0.0"
July 78.9° 57.1° 68.0° 4.74" 0.0"
August 77.1° 54.9° 66.0° 5.32" 0.0"
September 70.1° 48.3° 59.2° 5.17" 0.0"
October 58.3° 37.4° 47.8° 4.75" 0.3"
November 46.7° 28.2° 37.5° 3.85" 4.2"
December 35.2° 19.8° 27.5° 4.73" 15.3"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 36105. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.