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Buffalo County, South Dakota ZIP code demographics

6 ZIP Code Tabulation Areas in Buffalo County, South Dakota. The population-weighted median household income is about $68,058, the median home value about $184,396, and 69.6% of occupied homes are owner-occupied.

6
ZIP codes
8.8K
Population
53
Data points

Buffalo County at a glance

$68,058
Median household income
$184,396
Median home value
38.7
Median age
69.6%
Owner-occupied
3,885
Housing units

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

Top 5 Buffalo County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
157325Chamberlain3,33574.9%$80,139
257362Miller1,96764.8%$67,083
357355Grass Ranch Colony1,12082.8%$63,125
457370Pukwana89473.8%$58,824
557339Fort Thompson1,39043.5%$46,136
Top 5 Buffalo County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
157325Chamberlain3,33574.9%$80,139
257362Miller1,96764.8%$67,083
357339Fort Thompson1,39043.5%$46,136
457355Grass Ranch Colony1,12082.8%$63,125
557370Pukwana89473.8%$58,824
Top 5 Buffalo County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
157325Chamberlain3,33574.9%$80,139$71.2M
257362Miller1,96764.8%$67,083$37.6M
357355Grass Ranch Colony1,12082.8%$63,125$24M
457370Pukwana89473.8%$58,824$14.4M
557339Fort Thompson1,39043.5%$46,136$7.5M

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: 57339 (Fort Thompson) at 26 people/sq mi. Least dense: 57355 (Grass Ranch Colony) at 3 people/sq mi.

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