ZIP Code 57051
About Oldham
Oldham is a city in Kingsbury County, South Dakota, United States. As of the 2020 census, Oldham had a population of 121. The post office in Oldham opened in 1887.
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Area Profile
US Census (ACS 5-year · Gazetteer)
181
population
$46,250
median household income
2
people / sq mi
$100,000
median home value
$388
median gross rent
60.0
median age
148
housing units
106
households
78.8
land area (sq mi)