Lake County, South Dakota

Browse all ZIP codes in Lake County, South Dakota. Each ZIP code page includes population, median household income, and a map of the area.

County Statistics

Total Population 10,984
Median Household Income $86,021
Median Age 43.2
Unemployment Rate 2.5%
Poverty Rate 9.6%
ZIP Codes 6

Largest ZIP Codes in Lake County

ZIP Code City Population Median Income
57042Madison8,178$70,046
57075Wentworth1,115$102,125
57016Chester704$89,602
57054Ramona584$85,313
57057Rutland203$54,792

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Lake County