East Haddam ZIP Codes — Middlesex County, CT

There is one unique ZIP code in East Haddam, Connecticut and it is 06423. Area code: 860.
1
ZIP codes
36.57
sq mi land
1.71
sq mi water
860
area code
East Haddam, CT ZIP code map

About East Haddam, CT

East Haddam, Connecticut, is a charming town located in Middlesex County. This picturesque community is known for its rich history and beautiful landscapes that blend rural and riverfront environments. With its scenic views and vibrant local culture, East Haddam offers a unique living experience for both residents and visitors.

Location & geography

East Haddam is situated in the south-central part of Connecticut, surrounded by the scenic Connecticut River and lush woodlands. It is bordered by several towns, including Haddam to the west, Salem to the east, and Chester to the northwest, making it a serene getaway while still being accessible to nearby urban areas. The town covers a total land area of 36.57 square miles, with an additional 1.71 square miles of water, contributing to its natural beauty.

Community & economy

The character of East Haddam is defined by its tight-knit community and strong sense of local pride. The town has a diverse economy, with industries ranging from agriculture to tourism, largely due to attractions like the Goodspeed Opera House and the stunning Gillette Castle State Park. Daily life in East Haddam is complemented by local shops, restaurants, and community events that bring people together throughout the year.

Transportation

East Haddam is served by several highways, including Connecticut Route 82 and Connecticut Route 149, providing convenient access to surrounding areas and major thoroughfares. The nearest major airport is Bradley International Airport, located approximately 30 miles to the northwest, offering both domestic and international flights. Public transportation options may be limited, but local bus services and car travel are common for residents and visitors.

History

East Haddam was officially incorporated in 1734 and has a rich history marked by agriculture and river trade. The town flourished in the 19th century with the establishment of various mills and a thriving shipping port along the Connecticut River. Notable events in the town's history include the construction of the iconic Goodspeed Opera House in 1877, which continues to attract visitors and support the arts.

Did you know?

One surprising fact about East Haddam is its role as a center for the performing arts, particularly through the Goodspeed Opera House, which has premiered many successful Broadway shows. Additionally, East Haddam is home to the historic Gillette Castle, a unique architectural wonder built by actor William Gillette in the early 20th century.

ZIP codes for East Haddam, CT (1)
ZIP code City County Map
06423 East Haddam Middlesex View map

Demographics & statistics

4,887
Population
50.6
Median age
$108,250
Median household income
$61,505
Per capita income
$351,900
Median home value
$1,597
Median monthly rent
93.4%
Home ownership
6.0%
Poverty rate
3.9%
Unemployment
2,115
Housing units
45.4%
Bachelor's or higher

Age distribution

Male Female
116
Under 5
106
130
5–9
118
208
10–14
190
107
15–19
98
83
20–24
76
222
25–34
202
287
35–44
261
217
45–54
198
274
55–59
249
226
60–64
206
395
65–74
361
252
75–84
229
40
85+
36
← Male
Female →

Age summary

GroupCount%
Under 1894719.4%
18 and over3,94080.6%
65 and over1,31326.9%
Median age50.6 years

Race & ethnicity

White 89.1%
Two or more races 5.4%
Hispanic or Latino 5%
Black or African American 0.4%
Asian 0.2%
GroupCount%
White4,57989.1%
Two or more races2795.4%
Hispanic or Latino2555%
Black or African American200.4%
Asian90.2%

Household income

Under $10k 1.1%
$10k–$15k 0.4%
$15k–$25k 11.0%
$25k–$35k 4.1%
$35k–$50k 3.1%
$50k–$75k 5.8%
$75k–$100k 13.7%
$100k–$150k 32.3%
$150k–$200k 9.5%
$200k+ 18.9%
Range% of households
Under $10k1.1%
$10k–$15k0.4%
$15k–$25k11.0%
$25k–$35k4.1%
$35k–$50k3.1%
$50k–$75k5.8%
$75k–$100k13.7%
$100k–$150k32.3%
$150k–$200k9.5%
$200k+18.9%
Median income$108,250

Housing

Home values

Under $50k 2.7%
$50k–$100k 1.1%
$100k–$150k 1.0%
$150k–$200k 8.8%
$200k–$300k 15.0%
$300k–$500k 55.6%
$500k–$1M 15.9%

Housing overview

MetricValue
Median home value$351,900
Median rent / month$1,597
Owner occupied93.4%
Renter occupied6.6%
Vacant10.7%
Single-family detached94.4%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms6.4
Avg household size (owned)2.42

Year built

Era%
2020 or later0.0%
2010–20194.5%
2000–200911.8%
1990–199918.0%
1980–198916.0%
1970–19798.5%
1960–19698.6%
1950–195911.2%
1940–19490.7%
1939 or earlier20.7%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom4.9%
2 bedrooms24.0%
3 bedrooms42.2%
4 bedrooms23.6%
5+ bedrooms5.3%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle20.4%
2 vehicles45.7%
3 or more33.9%

Heating fuel

Fuel type%
Utility gas2.6%
Electricity5.0%
Propane / LP gas9.1%
Fuel oil75.7%
Wood5.6%
No fuel used1.8%

Households & families

Household typeCount%
Married-couple family1,18058.8%
Cohabiting couple1557.7%
Male householder, no spouse40520.2%
Female householder, no spouse26813.3%
Households with children under 1848724.3%
Households with seniors (65+)94947.3%
Average household size2.41

Marital status

StatusMaleFemale
Never married24.6%23.7%
Married66.5%57.8%
Separated0.0%4.1%
Widowed0.6%7.1%
Divorced8.3%7.3%

Education

Less than 9th grade 1.4%
Some HS, no diploma 0.9%
HS graduate 25.8%
Some college, no degree 14.4%
Associate's degree 12.0%
Bachelor's degree 25.8%
Graduate / professional 19.6%
Metric%
HS diploma or higher97.7%
Bachelor's or higher45.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1089.2%
Kindergarten423.6%
Elementary school55647.4%
High school15212.9%
College / grad school31626.9%

Employment

Industry of employment

Education & healthcare 27.0%
Manufacturing 14.1%
Professional & management 13.1%
Retail trade 8.8%
Construction 8.6%
Arts, food & hospitality 7.4%
Finance & real estate 5.2%
Other services 4.6%
Transportation & utilities 4.2%
Agriculture & mining 2.2%
Information 2.2%
Public administration 1.5%
Wholesale trade 1.0%

Occupation

Category%
Management, business & arts53.7%
Service11.1%
Sales & office17.2%
Natural resources & construction8.3%
Production & transportation9.7%

Employment type

Type%
Private sector78.5%
Government12.0%
Self-employed7.0%
Unpaid family workers2.4%

Commute

Method%
Drive alone72.0%
Carpool7.0%
Public transit0.4%
Walk0.0%
Other means0.0%
Avg commute (minutes)35.6

Poverty

All people 6.0%
Under 18 years 10.4%
18 and over 5.0%
Married-couple families 1.0%
Female-led households 36.6%

Income support

Source% of households
Social Security44.7%
Retirement income29.7%
Supplemental Security2.4%
Cash public assistance2.0%
Food stamps / SNAP1.7%

Health indicators

Condition%
High blood pressure29.8%
High cholesterol32.6%
Heart disease5.4%
Stroke2.3%
Asthma10.1%
Arthritis24.3%
Kidney disease2.4%
Pulmonary disease5.7%
Cancer6.9%
Behavior / access%
Binge drinking18.6%
No physical activity15.7%
Less than 7 hrs sleep30.6%
Fair or poor health9.4%
Poor mental health13.5%
Poor physical health8.3%
No health insurance6.9%
Visited doctor (checkup)77.1%
Visited dentist75.0%
Cholesterol screening93.1%
Teeth loss8.5%

Veterans & disability

VeteransCount%
Civilian veterans49312.6%
Disability%
Any disability10.1%
Under 181.2%
18–64 years4.5%
65 and over27.6%

Health insurance coverage

Type%
Private insurance75.6%
Public insurance38.8%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only4,66595.5%
Spanish170.4%
Other Indo-European170.4%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)4,63294.8%
Born in same state4,59594.0%
Born in different state3,08363.1%
Foreign born370.8%
Naturalized citizen2555.2%
Not a US citizen19476.1%

Ancestry

AncestryCount%
Italian99820.4%
French74515.2%
German2414.9%
Arab1813.7%
AncestryCount%
English841.7%
Polish531.1%
Irish200.4%
Norwegian70.1%

Technology access

Metric% of households
Computer access41.1%
Internet access92.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does East Haddam, CT have?
East Haddam, CT has one ZIP code: 06423. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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