Preston Map
Preston is a city in Jackson County, Iowa, United States. The population was 949 at the 2000 census.
Preston is located at 42°3?1?N 90°23?41?W / 42.05028°N 90.39472°W / 42.05028; -90.39472 (42.050332, -90.394681).
According to the United States Census Bureau, the city has a total area of 1.0 square miles (2.6 km²), all of it land.
Nearby cities include Sabula, Andrew, Savanna, Maquoketa, Bellevue.