ZIP code 10514 is officially located in the state of New york, primarily serving the city of Chappaqua. It falls under the administrative jurisdiction of Westchester County. When planning mail delivery, logistics routing, or demographic research, 10514 operates within the Eastern Time (ET) timezone and supports the 859 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 10514 ZIP Code Tabulation Area is approximately 11,359. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $78,514.