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Lower Connecticut River Valley County, Connecticut ZIP code demographics

28 ZIP Code Tabulation Areas in Lower Connecticut River Valley County, Connecticut. The population-weighted median household income is about $108,497, the median home value about $388,283, and 76.1% of occupied homes are owner-occupied.

28
ZIP codes
195.8K
Population
53
Data points

Lower Connecticut River Valley County at a glance

$108,497
Median household income
$388,283
Median home value
45.8
Median age
76.1%
Owner-occupied
91,437
Housing units

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

Top 5 Lower Connecticut River Valley County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
106439Lyme65100%$187,083
206422Durham7,20893.2%$158,857
306376Old Lyme89100%$156,000
406419Killingworth6,24096.7%$140,655
506371Lyme9,82889.1%$132,045
Top 5 Lower Connecticut River Valley County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
106457Middletown46,72052.9%$79,463
206415Colchester16,03877.3%$123,256
306416Cromwell14,33482.4%$110,596
406413Clinton13,37784.7%$124,824
506424East Hampton12,75185.7%$123,680
Top 5 Lower Connecticut River Valley County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
106457Middletown46,72052.9%$79,463$857M
206415Colchester16,03877.3%$123,256$629M
306413Clinton13,37784.7%$124,824$582.7M
406424East Hampton12,75185.7%$123,680$547.8M
506416Cromwell14,33482.4%$110,596$525.2M

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: 06459 (Middletown) at 3,722 people/sq mi. Least dense: 06439 (Lyme) at 83 people/sq mi.

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