ZIP code 50623 is officially located in the state of Iowa, primarily serving the city of Dewar. It falls under the administrative jurisdiction of Black Hawk County. When planning mail delivery, logistics routing, or demographic research, 50623 operates within the Central Time (CT) timezone and supports the 215 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 50623 ZIP Code Tabulation Area is approximately 30,315. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $131,623.