ZIP Code 57646
About Mound City
Mound City is a town in and the county seat of Campbell County, South Dakota, United States. The population was 69 at the 2020 census.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
248
population
2
people / sq mi
$101,400
median home value
37.6
median age
144
housing units
106
households
128.4
land area (sq mi)