City

Groton, CT

2 ZIP codes  ·  Southeastern Connecticut County  ·  Connecticut

👥29,833Population
💰$77,768Median HH Income≈ Avg
🎂33.2Median Age
🏠$275,500Median Home Value≈ Avg
🎓46.4%College Grads▲ 20% above avg
📊4.5%Unemployment▼ 9% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 55.3% Female 44.7% ♀

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
Avg HH 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
Median Home Value$275,500 ≈ Avg
Home/Income Ratio3.5x (nat avg ~3.5x)
Median Rent$1,492/mo
Total Housing Units14,441
Vacant Units1,495

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%
About Groton, CT

Groton is a city in Connecticut, located in Southeastern Connecticut County. The city spans 2 ZIP codes and is home to approximately 29,833 residents. It is a relatively young city, with a median age of 33.2 years.

Economically, Groton is a middle-income community. The median household income of $77,768 is near the national average. Approximately 11.5% of residents live below the poverty line. The unemployment rate is 4.5%, near the national average.

The real estate market in Groton is a mid-range housing market. Median home values stand at $275,500, which is near the national average. Renters typically pay around $1,492 per month.

The population of Groton is well-educated. 46.4% of adults hold a bachelor's degree or higher — above the national average. The community is majority White (65.92%).

Groton, CT offers residents above-average earning potential within Connecticut. Spread across 2 ZIP codes, the city's neighborhoods vary in character, density, and demographics — explore each ZIP code below for a detailed breakdown.

ZIP Codes in Groton
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
06340 29,833 $77,768 $275,500 $1,492 4.5% 46.4% 42.2%