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Walnut, California ZIP code demographics

2 ZIP Code Tabulation Areas in Walnut, California. The population-weighted median household income is about $116,281, the median home value about $904,002, and 75.7% of occupied homes are owner-occupied.

2
ZIP codes
68.7K
Population
54
Data points

Walnut at a glance

$116,281
Median household income
$904,002
Median home value
42.7
Median age
75.7%
Owner-occupied
22,975
Housing units

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

Top 2 Walnut ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
191789Diamond Bar40,29882.1%$125,720
291724Charter Oak28,35266.8%$103,163
Top 2 Walnut ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
191789Diamond Bar40,29882.1%$125,720
291724Charter Oak28,35266.8%$103,163
Top 2 Walnut ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
191789Diamond Bar40,29882.1%$125,720$1.3B
291724Charter Oak28,35266.8%$103,163$628.6M

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: 91724 (Charter Oak) at 4,547 people/sq mi. Least dense: 91789 (Diamond Bar) at 2,540 people/sq mi.

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