Sullivan County GIS Maps

Sullivan County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Sullivan County Parcels

Sullivan County has 67,312 mapped parcels covering 659,920 acres. The median assessed value is $60,000. The median lot size is 2.00 acres. 9,437 parcels are 10 acres or larger. Of the parcels with a recorded build year, half were built in 1970 or earlier. The records carry 47,790 distinct owner names. About 12% of parcels list an owner mailing address outside New York. Owner names, site addresses, assessed values and lot sizes are on nearly every parcel. Mailing addresses reach 83.1%. Browse the interactive Sullivan County Parcel viewer here.

Sullivan County Parcel Data Coverage

Field coverage measured across all Sullivan County parcel records. Download free sample data here.

Sullivan County Population

Sullivan County had 78,624 residents in 2020. That was 1.4% higher than in 2010. Sullivan County added 4,658 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 81 people per square mile. Some of the county's most populated postal areas include Monticello, Liberty and Bloomingburg.

Population Trend in Sullivan County NY

Sullivan County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Sullivan County Zip Codes

Sullivan County has 52 zip codes. Some of the county's most populated zip codes include Monticello (12701), Liberty (12754) and Bloomingburg (12721). Monticello is the largest zip by population, with about 12,360 residents or 16% of the county total. Together, the three largest zips account for about 35% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Sullivan County NY

Sullivan County Zip Code populations and trends per most recent census data.

Sullivan County Demographics

Sullivan County has a median age of 41.7, which makes the county a little older than New York overall. About 21.4% of residents are under 18, while 19% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 30% of the population, which points to a solid working-age base. About 29.7% of adults have a bachelor's degree or higher, above the statewide figure of 39.6%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.

Key Demographics for Sullivan County NY

Sullivan County School Districts

Sullivan County is served by 12 public school districts with 20,810 students enrolled in 2024. The largest districts on the county map are Pine Bush Central, Minisink Valley Central and Monticello Central. Those three districts account for about 52% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Sullivan County NY

Sullivan County school district enrollment and trends per most recent NCES reporting data.

Sullivan County Housing & Real Estate

Sullivan County has a median home value of $234,800 and a median gross rent of $999. About 69% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the New York median, while rents come in below the state average. In March 2026, the median listing price was $419,750 and homes spent about 107 days on the market.

Businesses in Sullivan County, NY

Sullivan County has 3,438 business listings across 553 categories. The largest categories in Sullivan County business listings are Campgrounds & RV Parks (87, 2.5%), Lake (83, 2.4%), and Gas Stations (68, 2.0%). The full Sullivan County business listings dataset includes names, categories, addresses and contact details where available. Sullivan County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Sullivan County, NY

Sullivan County Business Listings

Sullivan County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Sullivan County Basemaps

Sullivan County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from New York — explore the full structure before you buy.