ZIP Code 57472
About Selby
Selby is a city in Walworth County, South Dakota, United States. The population was 610 at the 2020 census. It is the county seat of Walworth County.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,078
population
$61,094
median household income
4
people / sq mi
$118,900
median home value
$590
median gross rent
41.8
median age
474
housing units
392
households
282.8
land area (sq mi)