ZIP Code 57659
About Walker
Walker is an unincorporated community in Corson County, South Dakota, United States. Although not tracked by the Census Bureau, Walker has been assigned the ZIP code of 57659.
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Area Profile
US Census (ACS 5-year · Gazetteer)
19
population
1
people / sq mi
38.4
median age
9
housing units
7
households
13.5
land area (sq mi)