US ZIP Code
06340

Groton, CT

Southeastern Connecticut County  ·  Connecticut

● Active
👥 29,833 Population ↓ 2% since 2019
💰 $77,768 Median HH Income
≈ Avg ↑ 31% since 2019
🎂 33.2 Median Age ↑ 8% since 2019
🏠 $275,500 Median Home Value
≈ Avg ↑ 31% since 2019
🎓 46.4% College Grads
▲ 20% above avg
📊 4.5% Unemployment
▼ 9% below avg ↓ 18% since 2019
ZIP Code Details
ZIP Code06340
CityGroton
StateConnecticut (CT)
CountySoutheastern Connecticut County
Area Code860/959
Elevation21 ft
Latitude41.354409
Longitude-72.040266
TimezoneNew York (DST)
FIPS09180
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 55.3% (16,495) Female 44.7% (13,338) ♀

Race & Ethnicity

White: 65.9%Hispanic: 14.6%Black: 5.6%Asian: 6.7%Other: 6.3%Race
White65.9%
Hispanic14.6%
Black5.6%
Asian6.7%
Other6.3%

Age Breakdown

Under 5
6%
5–17
12%
18–24
14%
25–44
30%
45–64
21%
65+
7%

Key Indicators

Median Age33.2 yrs ↑ 8% since 2019
Avg Household Size2.17
Below Poverty11.5% ▲ 15% above avg
College Grads46.4% ▲ 20% above avg
Unemployment4.5% ▼ 9% below avg
No HS Diploma180 (1%)
HS Graduate4,628 (24.9%)
Some College2,213 (11.9%)
Associates2,942 (15.8%)
Bachelors1,385 (7.4%)
Graduate Degree7,255 (39%)

Education

No HS: 1%HS Grad: 24.9%Some College: 11.9%Associates: 15.8%Bachelors: 7.4%Graduate: 39%Edu
No HS1.0%
HS Grad24.9%
Some College11.9%
Associates15.8%
Bachelors7.4%
Graduate39.0%
Housing & Income

Housing Tenure

Owner: 42.2%Renter: 57.8%Tenure
Owner42.2%
Renter57.8%

Home Value Distribution

Under $50k
6%
$50k–100k
4%
$100k–150k
8%
$150k–200k
14%
$200k–300k
27%
$300k–500k
23%
Over $500k
19%

Financials

Median HH Income$77,768 ≈ Avg ↑ 31% since 2019
Median Home Value$275,500 ≈ Avg ↑ 31% since 2019
Home/Income Ratio3.5x (nat avg ~3.5x)
Median Rent$1,492/mo ↑ 18% since 2019
Total Units14,441
Vacant Units1,495
Avg HH Size2.17

Income Distribution

Under $25k
15%
$25k–50k
15%
$50k–75k
15%
$75k–100k
22%
$100k–150k
15%
$150k–200k
8%
Over $200k
11%
Employment & Commute

How People Get to Work

Drove Alone
76%
Public Transit
1%
Walked
9%
Work From Home
13%

Commute Time

Under 15 min
47%
15–30 min
33%
30–45 min
11%
Over 45 min
8%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
16%
1960s–1970s
14%
1980s–1990s
10%
2000+
57%

Summary

Total Units14,441
Vacant1,495
Owner Occupied42.2%
Renter Occupied57.8%
Avg HH Size2.17
Frequently Asked Questions
ZIP code 06340 is in Groton, CT, in Southeastern Connecticut County.
ZIP code 06340 is located in Connecticut (CT).
ZIP code 06340 is in Southeastern Connecticut County, CT.
ZIP 06340 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 06340 is 29,833 people (ACS 2023).
The median household income in ZIP code 06340 is $77,768 (ACS 2023).
The median home value in ZIP 06340 is $275,500 (ACS 2023).
About ZIP Code 06340

ZIP code 06340 is located in Groton, Connecticut, within Southeastern Connecticut County. With a population of 29,833, this is a moderately populated ZIP code with a relatively young community — the median age is 33.2 years. Economically, 06340 is a middle-income ZIP code: the median household income of $77,768 is near the national average.

Real estate in ZIP code 06340 represents a mid-range housing market. The median home value of $275,500 is near the national average. Renters can expect to pay around $1,492 per month in median rent. The area has a relatively balanced mix of owners (42.2%) and renters (57.8%). Median home values have increased by 31% since 2019.

The population of 06340 is majority White (65.92%). Residents are well-educated — 46.4% hold a bachelor's degree or higher, which is above the national average. Poverty affects some residents at 11.5%. Household income has grown by 31% since 2019.

The unemployment rate in 06340 stands at 4.5%, which is near the national average. About 12% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 70%.

Overall, ZIP code 06340 in Groton, CT is characterized as middle-income, well-educated, and a relatively young community. With 29,833 residents, a median household income of $77,768, and a median home value of $275,500, it offers a clear picture of life in this part of Connecticut.