ZIP code 10503 is officially located in the state of New york, primarily serving the city of Ardsley on hudso. It falls under the administrative jurisdiction of Westchester County. When planning mail delivery, logistics routing, or demographic research, 10503 operates within the Eastern Time (ET) timezone and supports the 834 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 10503 ZIP Code Tabulation Area is approximately 5,034. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,503.