ZIP code 12734 is officially located in the state of New york, primarily serving the city of Grossinger. It falls under the administrative jurisdiction of Sullivan County. When planning mail delivery, logistics routing, or demographic research, 12734 operates within the Eastern Time (ET) timezone and supports the 550 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 12734 ZIP Code Tabulation Area is approximately 32,050. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $118,734.