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Pennington County, South Dakota ZIP code demographics

19 ZIP Code Tabulation Areas in Pennington County, South Dakota. The population-weighted median household income is about $75,850, the median home value about $314,313, and 69.9% of occupied homes are owner-occupied.

19
ZIP codes
138.3K
Population
53
Data points

Pennington County at a glance

$75,850
Median household income
$314,313
Median home value
41.6
Median age
69.9%
Owner-occupied
63,447
Housing units

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

Top 5 Pennington County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
15776723472.3%$250,001
257744Hermosa2,42191.3%$106,250
357751Keystone89385.6%$97,969
457761New Underwood1,18082.6%$97,734
557702Blackhawk35,59573.1%$91,457
Top 5 Pennington County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
157701Ashland Heights45,79560.8%$56,461
257702Blackhawk35,59573.1%$91,457
357703Box Elder18,01382.6%$83,739
457719Ashland Heights12,22159.9%$74,885
557718Blackhawk7,93788.4%$84,162
Top 5 Pennington County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
157702Blackhawk35,59573.1%$91,457$1B
257701Ashland Heights45,79560.8%$56,461$645.2M
357703Box Elder18,01382.6%$83,739$495.9M
457718Blackhawk7,93788.4%$84,162$247M
557719Ashland Heights12,22159.9%$74,885$204.1M

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: 57701 (Ashland Heights) at 877 people/sq mi. Least dense: 57775 (Cottonwood) at 1 people/sq mi.

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