ZIP code 03242 is officially located in the state of New hampshire, primarily serving the city of Henniker. It falls under the administrative jurisdiction of Merrimack County. When planning mail delivery, logistics routing, or demographic research, 03242 operates within the Eastern Time (ET) timezone and supports the 467 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 03242 ZIP Code Tabulation Area is approximately 38,267. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $54,242.