ZIP Code 57274
About Webster
Webster is a city in and the county seat of Day County, South Dakota, United States. The population was 1,728 at the 2020 census, and was estimated at 1,666 in 2024.
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Area Profile
US Census (ACS 5-year · Gazetteer)
2,611
population
$69,844
median household income
7
people / sq mi
$161,900
median home value
$619
median gross rent
43.0
median age
1,349
housing units
1,171
households
372.6
land area (sq mi)