ZIP code 04530 is officially located in the state of Maine, primarily serving the city of Bath. It falls under the administrative jurisdiction of Sagadahoc County. When planning mail delivery, logistics routing, or demographic research, 04530 operates within the Eastern Time (ET) timezone and supports the 503 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 04530 ZIP Code Tabulation Area is approximately 22,203. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $50,530.