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Union County, South Dakota ZIP code demographics

7 ZIP Code Tabulation Areas in Union County, South Dakota. The population-weighted median household income is about $91,837, the median home value about $319,036, and 74.2% of occupied homes are owner-occupied.

7
ZIP codes
19.7K
Population
53
Data points

Union County at a glance

$91,837
Median household income
$319,036
Median home value
41.2
Median age
74.2%
Owner-occupied
8,608
Housing units

Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.

Top 5 Union County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
157038Jefferson1,79691.7%$106,250
257025Elk Point3,12083.2%$94,839
357010Burbank75566.1%$93,611
457049Dakota Dunes7,96262.7%$93,134
557034Hudson66187.7%$89,688
Top 5 Union County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
157049Dakota Dunes7,96262.7%$93,134
257004Beresford3,83483.5%$88,750
357025Elk Point3,12083.2%$94,839
457038Jefferson1,79691.7%$106,250
557001Alcester1,54075%$69,531
Top 5 Union County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
157049Dakota Dunes7,96262.7%$93,134$204.7M
257004Beresford3,83483.5%$88,750$111.6M
357025Elk Point3,12083.2%$94,839$98M
457038Jefferson1,79691.7%$106,250$71.7M
557001Alcester1,54075%$69,531$33M

Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.

Densest: 57049 (Dakota Dunes) at 562 people/sq mi. Least dense: 57034 (Hudson) at 9 people/sq mi.

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