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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

UNION County, SD ZIP Codes

UNION County, SD Covers 5 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 57001GeneralAlcester1,672Central605
ZIP Code 57004GeneralBeresford3,356Central605
ZIP Code 57025GeneralElk Point2,795Central605
ZIP Code 57038GeneralJefferson1,667Central605
ZIP Code 57049GeneralNorth Sioux City5,789Central605

Population:14,399 (More Details)
Male Population:7,218
Female Population:7,181
Median Age:40
ZIP Codes:5
Area Codes:0
Total Area:467 square miles (county)
Land Area:461 square miles (county)
Water Area:6 square miles (county)

UNION, SD Demographic Information

* Demographic data is based on 2010 Census.

Total population of UNION County, SD14,399
Male population of UNION County, SD7,218
Female population of UNION County, SD7,181
Median age (years)40.2
White Population13,758
Black Population95
Indian Population80
Asian Population129
Hawaiian Population11
Hispanic Population305
Median age (Male)40
Median age (Female)40.5
Total households5,756
Family households (families)4,043
Average household size for UNION County, SD2.49
Average family size of UNION County, SD2.98
Total housing units for UNION County, SD6,280

UNION County, SD Covers 5 Cities