06340 ZIP Code – Groton, Connecticut

Located in Groton, Connecticut, ZIP code 06340 is a large ZIP code within Unknown County with a population of approximately 29,672 residents. Residents earn a median household income of $76,138, which is below the Connecticut average and near the national figure. Homes in this ZIP code have a median value of $248,000, near the national average, with 44.5% owner-occupied housing (increasing). , and the median rent of $1,423 is above the national average. Housing consists of 51% single-family (increasing), 30% apartments (increasing), 16% duplex/multi-family.

The area reports an unemployment rate of 5.4%, near the national average. About 12.2% of residents live below the poverty line, near the national rate. About 38.1% of residents have completed a four-year degree, above the national rate. Residents have a median age of 33.2, below the U.S. median. ZIP codes in the surrounding area include 06320, 06355, 06335.

ZIP Code 06340 Data

Population 29,672

Median Household Income $76,138

Median Home Value $248,000

Median Rent $1,423

Median Age 33.2

Unemployment Rate 5.4%

Poverty Rate 12.2%

Bachelor's Degree or Higher 38.1%

County Unknown County

State Connecticut

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ZIP 06340 vs. Connecticut vs. U.S.

Metric	ZIP 06340	CT Avg.	U.S. Avg.
Population	29k	12k	10k
Median Household Income	$76k	$105k	$73k
Median Home Value	$248k	$387k	$258k
Median Rent	$1,423	$1,504	$1,088
Median Age	33.2	43.8	43.2
Unemployment Rate	5.4%	5.4%	5.0%
Poverty Rate	12.2%	9.0%	13.3%
Bachelor's Degree or Higher	38.1%	43.3%	26.9%

Demographics Charts

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Education Level (adults 25+)

Nearby ZIP Codes

Nearby ZIP Code Comparison

ZIP Code	City	Population	Median Income
06320	NEW LONDON	27,600	$56,237
06355	MYSTIC	12,481	$121,484
06335	GALES FERRY	6,199	$94,212
06375	QUAKER HILL	3,696	$103,134
06390	FISHERS ISLAND	53	$47,708