Union County, South Dakota

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

County Statistics

Total Population 17,809
Median Household Income $79,655
Median Age 40.2
Unemployment Rate 3.4%
Poverty Rate 6.7%
ZIP Codes 5

Largest ZIP Codes in Union County

ZIP Code City Population Median Income
57049North Sioux City7,661$88,948
57004Beresford3,900$72,466
57025Elk Point3,063$85,985
57001Alcester1,608$66,793
57038Jefferson1,577$84,083

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Union County