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Warren County, New Jersey ZIP code demographics

22 ZIP Code Tabulation Areas in Warren County, New Jersey. The population-weighted median household income is about $107,810, the median home value about $368,175, and 78.3% of occupied homes are owner-occupied.

22
ZIP codes
173K
Population
53
Data points

Warren County at a glance

$107,810
Median household income
$368,175
Median home value
44.4
Median age
78.3%
Owner-occupied
71,786
Housing units

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

Top 5 Warren County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
108886Franklin6,43596.3%$161,168
207821Allamuchy9,66291.8%$141,860
308802Alexandria4,55297.4%$135,689
408827Alexandria4,34685.2%$135,625
507874Allamuchy8,75292.4%$132,500
Top 5 Warren County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
107840Allamuchy32,10569.7%$105,866
208865Alpha31,42768.4%$79,949
307860Andover26,04780.4%$110,045
407882Franklin15,11574.5%$107,567
507821Allamuchy9,66291.8%$141,860
Top 5 Warren County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
107840Allamuchy32,10569.7%$105,866$942.3M
207860Andover26,04780.4%$110,045$913.5M
308865Alpha31,42768.4%$79,949$736.3M
407882Franklin15,11574.5%$107,567$488.6M
507821Allamuchy9,66291.8%$141,860$462.9M

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: 07874 (Allamuchy) at 1,034 people/sq mi. Least dense: 07832 (Blairstown) at 85 people/sq mi.

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