Sullivan County, New York Zip Codes
📍 Sullivan County has 56 zip codes with a population of 81,104.
Sullivan County is located in New York with a land area of 1,209 square miles. The county seat is Monticello. Below you'll find all 56 zip codes in Sullivan County with population, income and home value, the county's affordability profile, and links to its 56 city pages.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Sullivan County Zip Codes
| ZIP Code | City | Details |
|---|---|---|
| 12701 | Monticello | View → |
| 12719 | Barryville | View → |
| 12720 | Bethel | View → |
| 12721 | Bloomingburg | View → |
| 12722 | Burlingham | View → |
| 12723 | Callicoon | View → |
| 12724 | Callicoon Center | View → |
| 12725 | Claryville | View → |
| 12726 | Cochecton | View → |
| 12727 | Cochecton Center | View → |
| 12732 | Eldred | View → |
| 12733 | Fallsburg | View → |
| 12734 | Ferndale | View → |
| 12736 | Fremont Center | View → |
| 12737 | Glen Spey | View → |
| 12738 | Glen Wild | View → |
| 12740 | Grahamsville | View → |
| 12741 | Hankins | View → |
| 12742 | Harris | View → |
| 12743 | Highland Lake | View → |
| 12745 | Hortonville | View → |
| 12747 | Hurleyville | View → |
| 12748 | Jeffersonville | View → |
| 12749 | Kauneonga Lake | View → |
| 12750 | Kenoza Lake | View → |
| 12751 | Kiamesha Lake | View → |
| 12752 | Lake Huntington | View → |
| 12754 | Liberty | View → |
| 12758 | Livingston Manor | View → |
| 12759 | Loch Sheldrake | View → |
| 12760 | Long Eddy | View → |
| 12762 | Mongaup Valley | View → |
| 12763 | Mountain Dale | View → |
| 12764 | Narrowsburg | View → |
| 12765 | Neversink | View → |
| 12766 | North Branch | View → |
| 12767 | Obernburg | View → |
| 12768 | Parksville | View → |
| 12769 | Phillipsport | View → |
| 12770 | Pond Eddy | View → |
| 12775 | Rock Hill | View → |
| 12776 | Roscoe | View → |
| 12777 | Forestburgh | View → |
| 12778 | Smallwood | View → |
| 12779 | South Fallsburg | View → |
| 12781 | Summitville | View → |
| 12783 | Swan Lake | View → |
| 12784 | Thompsonville | View → |
| 12785 | Westbrookville | View → |
| 12786 | White Lake | View → |
| 12787 | White Sulphur Springs | View → |
| 12788 | Woodbourne | View → |
| 12789 | Woodridge | View → |
| 12790 | Wurtsboro | View → |
| 12791 | Youngsville | View → |
| 12792 | Yulan | View → |
Sullivan County at a Glance
Sullivan County has 56 ZIP codes in this directory: 56 standard delivery ZIPs. The 37 ZIPs with published Census housing data cover 81,104 residents, the largest being 12701 (Monticello) with 12,191 people.
The median ZIP in Sullivan County has a household income of $73,919 and a home value of $241,700, a price-to-income ratio of 3.4, above the 2.9 New York ZIP median. Affordability ranges from 12759 in Loch Sheldrake at a ratio of 1.3 to 12787 in White Sulphur Springs, where the median home is $529,200. The highest median income is in 12742 (Harris) at $144,167. Median rent across these ZIPs is $979 a month.
81% of households in the typical Sullivan County ZIP own their home (statewide ZIP median 80%). 32% of adults hold a bachelor's degree, in line with the 31% statewide median. The median poverty rate is 11.3%, above the 9.9% statewide ZIP median. Overall density is about 67 residents per square mile across 1,209 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 New York ZIP Code Affordability Report.
Sullivan County Zip Code Map
Interactive map of Sullivan County, New York zip codes.