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ZIP 06340 · Groton

Who lives in ZIP code 06340 (Groton, CT): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Groton, CT · Southeastern Connecticut Planning Region

uszips 2026
People29,863
Median age33.7
Household income$81,792
Home value$295,105
Median rent$1,599/mo
Poverty12.7%
College degree+39.2%
Commute18 min

Place

Metro area
Norwich-New London-Willimantic, CT
Wider region
New Haven-Hartford-Waterbury, CT
Time zone
Eastern
Density
512 / sq mi
Housing units
12,879

County

Southeastern Connecticut100%

Share of the ZIP's people in each county.

Age mix

Under 1011.3%
10–1910.1%
20s21.6%
30s15.0%
40s8.5%
50s10.6%
60s11.6%
70s6.0%
80+5.3%

16.7% are 65 or older; 81.3% are adults.

Household income

Under $25K13.9%
$25K–50K16.5%
$50K–75K14.1%
$75K–100K19.5%
$100K–150K15.8%
$150K+20.2%

36.0% of households earn $100K+. Median per person: $42,713.

Education (adults 25+)

Less than high school5.9%
High school26.7%
Some college28.3%
Bachelor's23.2%
Graduate16.0%

55.3% of degrees are in STEM fields.

Race

White69.8%
Black6.2%
Asian7.5%
Native American0.6%
Pacific Islander0.1%
Other2.6%
Two or more13.4%

14.2% Hispanic or Latino (of any race).

Households & family

Married
43.2%
Never married
39.0%
Divorced
13.6%
Widowed
4.1%
Family size
2.82
Dual-income families
45.2%

Housing

Own their home
44.5%
Rent burden
29.0%
Men / women
54% / 46%

Work

In labor force
67.8%
Unemployment
5.5%
Self-employed
—
Farmers
—

Community

Charitable givers
—
Veterans
9.9%
With a disability
15.7%
No health insurance
4.2%
Limited English
2.7%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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