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Custer County, Idaho ZIP code demographics

7 ZIP Code Tabulation Areas in Custer County, Idaho. The population-weighted median household income is about $58,676, the median home value about $374,175, and 79.4% of occupied homes are owner-occupied.

7
ZIP codes
5.5K
Population
53
Data points

Custer County at a glance

$58,676
Median household income
$374,175
Median home value
56.1
Median age
79.4%
Owner-occupied
3,714
Housing units

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

Top 4 Custer County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
183278Clayton45499.2%$81,602
283251Lost River1,44379.3%$73,482
383255Lost River1,22285.8%$70,714
483226Challis2,10069.1%$36,458
Top 5 Custer County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
183226Challis2,10069.1%$36,458
283251Lost River1,44379.3%$73,482
383255Lost River1,22285.8%$70,714
483278Clayton45499.2%$81,602
583227Clayton200100%
Top 4 Custer County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
183251Lost River1,44379.3%$73,482$35.1M
283255Lost River1,22285.8%$70,714$26.1M
383226Challis2,10069.1%$36,458$22.6M
483278Clayton45499.2%$81,602$20.7M

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: 83255 (Lost River) at 6 people/sq mi. Least dense: 83227 (Clayton) at 1 people/sq mi.

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