ZIP code 10504 is officially located in the state of New york, primarily serving the city of Armonk. It falls under the administrative jurisdiction of Westchester County. When planning mail delivery, logistics routing, or demographic research, 10504 operates within the Eastern Time (ET) timezone and supports the 742 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 10504 ZIP Code Tabulation Area is approximately 43,442. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $108,504.