ZIP code 12140 is officially located in the state of New york, primarily serving the city of Poestenkill. It falls under the administrative jurisdiction of Rensselaer County. When planning mail delivery, logistics routing, or demographic research, 12140 operates within the Eastern Time (ET) timezone and supports the 686 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 12140 ZIP Code Tabulation Area is approximately 41,286. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $120,140.