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Kennebec County, Maine ZIP code demographics

27 ZIP Code Tabulation Areas in Kennebec County, Maine. The population-weighted median household income is about $68,456, the median home value about $240,494, and 73.6% of occupied homes are owner-occupied.

27
ZIP codes
128.7K
Population
53
Data points

Kennebec County at a glance

$68,456
Median household income
$240,494
Median home value
43.3
Median age
73.6%
Owner-occupied
64,335
Housing units

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

Top 5 Kennebec County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
104358China4,52691.8%$96,309
204284Wayne1,10189.9%$93,194
304351Manchester2,42485%$92,031
404917Belgrade3,35193.8%$88,338
504355Readfield2,65189.9%$86,504
Top 5 Kennebec County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
104901Benton27,87060.7%$57,403
204330Augusta26,69062.2%$54,775
304345Gardiner12,57977.6%$77,410
404963Oakland7,52479.9%$77,708
504364Winthrop6,19192.5%$86,470
Top 5 Kennebec County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
104330Augusta26,69062.2%$54,775$421.2M
204901Benton27,87060.7%$57,403$398.8M
304345Gardiner12,57977.6%$77,410$305.2M
404364Winthrop6,19192.5%$86,470$201.6M
504963Oakland7,52479.9%$77,708$193.8M

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: 04346 (Randolph) at 754 people/sq mi. Least dense: 04360 (Vienna) at 22 people/sq mi.

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