ZIP 06340 · Groton, Connecticut
2026 Edition · 8 cards · data as of Oct 30, 2026
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Population
29,863 people call ZIP 06340 home.
29,863
people.
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year
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Rent
Median rent is up 41% since the 2010–2014 survey, before inflation.
$1,599
a month. Connecticut's median is $1,488.
Census ACS 5-year, 2020-2024 (latest), with earlier 5-year windows. Sources: Census ACS 5-year
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Room to build
The median rent sits inside what local wages can carry.
$1,399–$2,099
is the monthly rent range local workforce wages support.
- $1,599 median
Supportable rent computed by the Almanac from 2023 source wage data. Median rent: Census ACS 5-year, 2020-2024. Sources: Computed by the Almanac, Census ACS 5-year
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Building
Most of the housing here is older than 2000.
- 86% of all homes were built before 2000
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year
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Units needed
Closing the gap would add 0.5–1.7% to the 14,359 homes here.
69–250
is the estimated number of missing housing units, from the lowest to the highest of three estimates.
Range computed by the Almanac from 2023 jobs and household data, using three demand models: 1% of jobs located here, 1% of renter households, and a rate by town size applied to renters. The low end is the lowest of the three and the high end the highest. It is an estimate, not a count. Sources: Computed by the Almanac
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Home value
A median home costs 20% less than Connecticut's.
$294,700
median home value in ZIP 06340.
- $294,700 ZIP 06340
- $366,900 Connecticut
- $332,700 U.S.
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year