Webster Map
Webster is a city in and the county seat of Day County, South Dakota, United States. The population was 1,886 at the 2010 census.
Webster is located at 45°20?01?N 97°31?10?W / 45.333645°N 97.519452°W / 45.333645; -97.519452.
According to the United States Census Bureau, the city has a total area of 1.5 square miles (3.9 km2), all of it land.
Nearby cities include Waubay, Bristol, Roslyn, Pierpont.