Home > NY > Sullivan County > Highland Lake > Zip 12743

Zip Code 12743 — Highland Lake, NY

12743 is a ZIP Code associated with Highland Lake, NY, located within Sullivan. The postal region supports an estimated population of 279 residents across Data Pending housing units, with a population density of 14.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.540650, -74.846870)

Data MetricLocal Statistic
Postal / Zip Code12743
Primary CityHighland Lake
State / ProvinceNY
CountySullivan
Total Population279
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density14.3 people/sq mi
TimezoneAmerica/New_York

How 12743 Compares

MetricZIP 12743Sullivan CountyNY State Average
Population27977,16019,771,902
Median IncomeData PendingN/AN/A
Population Density14.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 12732Eldred2.0 mi776N/A
Zip 12737Glen Spey3.5 mi1,513N/A
Zip 12719Barryville4.9 mi1,339N/A
Zip 12792Yulan5.7 mi163N/A
Zip 12770Pond Eddy6.5 mi145N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →