06438 ZIP Code — Haddam, CT

Middlesex County, Connecticut

ZIP code 06438 is located in Haddam, Connecticut, within Middlesex County. It covers approximately 13.95 square miles and serves a population of 3,079 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 860.

About ZIP code 06438

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $373,100. Owner-occupancy is high at 79%, well above the national average.

Median household income is $140,000. The poverty rate of 4% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is high — 59% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 06438 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

3,079
population
13.95
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
06438 ZIP code map
Cities in ZIP code 06438

Below are the cities the US Postal Service accepts for ZIP code 06438. Using any city not on this list may result in mail delivery delays.

City Status
Haddam Preferred
Nearby ZIP codes
06412 Chester (4 mi) 06441 Higganum (4.1 mi) 06469 Moodus (4.7 mi) 06423 East Haddam (5.9 mi) 06424 East Hampton (6.5 mi) 06417 Deep River (6.9 mi) 06419 Killingworth (7.2 mi) 06442 Ivoryton (8.3 mi) 06422 Durham (9 mi) 06409 Centerbrook (9 mi) 06426 Essex (9.3 mi) 06443 Madison (9.5 mi)
Demographics updated 05/2026
Population
Total population 3,079
Population density 221 / sq mi
State FIPS 09
County FIPS 007
Geography
Land area 13.95 sq mi
Water area 0.94 sq mi
Latitude 41.4605
Longitude -72.5044
Timezone Eastern (ET)
Area code 860
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 18.8% 28.8% 32.0%
$50k – $100k 22.3% 28.9% 27.7%
$100k – $200k 36.0% 30.3% 27.1%
Over $200k 23.0% 12.1% 13.2%

Demographics & statistics

3,079
Population
221
People per sq mi
43.9
Median age
$140,000
Median household income
$58,266
Per capita income
$373,100
Median home value
$1,732
Median monthly rent
78.7%
Home ownership
3.8%
Poverty rate
4.2%
Unemployment
948
Housing units
58.5%
Bachelor's or higher

Age distribution

Male Female
54
Under 5
46
112
5–9
96
104
10–14
89
94
15–19
82
86
20–24
74
196
25–34
169
194
35–44
168
199
45–54
172
123
55–59
107
176
60–64
151
150
65–74
129
86
75–84
74
79
85+
69
← Male
Female →

Age summary

GroupCount%
Under 1862620.3%
18 and over2,45379.7%
65 and over58719.1%
Median age43.9 years

Race & ethnicity

White 87.8%
Two or more races 5.8%
Hispanic or Latino 4.7%
Asian 1.2%
Other race 0.5%
GroupCount%
White2,83687.8%
Two or more races1865.8%
Hispanic or Latino1514.7%
Asian401.2%
Other race170.5%

Household income

Income range This ZIP County avg State avg
Under $50k 18.8% 28.8% 32.0%
$50k – $100k 22.3% 28.9% 27.7%
$100k – $200k 36.0% 30.3% 27.1%
Over $200k 23.0% 12.1% 13.2%
$10k–$15k 3.9%
$15k–$25k 2.5%
$25k–$35k 2.5%
$35k–$50k 4.4%
$50k–$75k 3.5%
$75k–$100k 11.4%
$100k–$150k 24.0%
$150k–$200k 21.5%
$200k+ 26.3%
Range% of households
$10k–$15k3.9%
$15k–$25k2.5%
$25k–$35k2.5%
$35k–$50k4.4%
$50k–$75k3.5%
$75k–$100k11.4%
$100k–$150k24.0%
$150k–$200k21.5%
$200k+26.3%
Median income$140,000

Housing

Home values

$50k–$100k 1.6%
$100k–$150k 1.3%
$150k–$200k 1.5%
$200k–$300k 24.8%
$300k–$500k 44.7%
$500k–$1M 24.2%
$1M+ 1.8%

Housing overview

MetricValue
Median home value$373,100
Median rent / month$1,732
Owner occupied78.7%
Renter occupied21.3%
Vacant11.2%
Single-family detached92.9%
Large apartment buildings3.0%
Mobile homes0.0%
Median rooms6.5
Avg household size (owned)2.97

Year built

Era%
2020 or later0.0%
2010–20191.2%
2000–20097.2%
1990–19999.8%
1980–198914.5%
1970–197922.9%
1960–19698.0%
1950–195912.9%
1940–19499.7%
1939 or earlier13.9%

Bedrooms

Size% of units
No bedroom (studio)3.0%
1 bedroom6.9%
2 bedrooms12.6%
3 bedrooms55.3%
4 bedrooms18.5%
5+ bedrooms3.8%

Vehicles per household

Vehicles% of households
No vehicle2.6%
1 vehicle14.1%
2 vehicles39.1%
3 or more44.2%

Heating fuel

Fuel type%
Utility gas1.0%
Electricity6.4%
Propane / LP gas4.7%
Fuel oil75.0%
Wood13.0%

Households & families

Household typeCount%
Married-couple family80077.1%
Cohabiting couple585.6%
Male householder, no spouse11010.6%
Female householder, no spouse706.7%
Households with children under 1835634.3%
Households with seniors (65+)34533.2%
Average household size2.86

Marital status

StatusMaleFemale
Never married23.9%18.4%
Married63.6%68.5%
Separated0.0%0.0%
Widowed4.4%5.4%
Divorced8.1%7.7%

Education

Less than 9th grade 2.0%
Some HS, no diploma 2.0%
HS graduate 14.6%
Some college, no degree 12.4%
Associate's degree 10.5%
Bachelor's degree 31.4%
Graduate / professional 27.1%
Metric%
HS diploma or higher96.0%
Bachelor's or higher58.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool8210.6%
Kindergarten688.8%
Elementary school24631.8%
High school21227.4%
College / grad school16621.4%

Employment

Industry of employment

Education & healthcare 30.1%
Professional & management 19.8%
Finance & real estate 11.4%
Manufacturing 9.3%
Arts, food & hospitality 7.7%
Construction 6.4%
Transportation & utilities 4.0%
Public administration 3.3%
Retail trade 3.0%
Wholesale trade 2.7%
Other services 1.4%
Information 0.9%

Occupation

Category%
Management, business & arts58.1%
Service17.2%
Sales & office12.1%
Natural resources & construction5.9%
Production & transportation6.6%

Employment type

Type%
Private sector81.5%
Government14.8%
Self-employed3.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone74.1%
Carpool8.3%
Public transit1.9%
Walk1.1%
Work from home14.7%
Other means0.0%
Avg commute (minutes)30.2

Poverty

All people 3.8%
Under 18 years 3.4%
18 and over 3.9%
Married-couple families 0.0%
Female-led households 31.0%

Income support

Source% of households
Social Security31.5%
Retirement income29.3%
Supplemental Security2.7%
Cash public assistance2.4%
Food stamps / SNAP5.2%

Health indicators

Condition%
Obesity29.1%
High blood pressure30.3%
High cholesterol33.1%
Diabetes8.2%
Heart disease5.6%
Stroke2.4%
Asthma9.9%
Arthritis24.9%
Kidney disease2.4%
Pulmonary disease5.6%
Cancer7.4%
Behavior / access%
Smoking14.2%
Binge drinking17.6%
No physical activity15.2%
Less than 7 hrs sleep29.8%
Depression20.4%
Fair or poor health9.2%
Poor mental health13.0%
Poor physical health8.0%
No health insurance6.6%
Visited doctor (checkup)77.7%
Visited dentist75.9%
Cholesterol screening93.5%
Teeth loss7.9%

Veterans & disability

VeteransCount%
Civilian veterans2168.8%
Disability%
Any disability12.4%
Under 180.0%
18–64 years7.9%
65 and over44.3%

Health insurance coverage

Type%
Private insurance83.3%
Public insurance24.4%
No insurance0.7%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only2,97996.8%
Spanish622.1%
Other Indo-European291.0%
Asian & Pacific Islander170.6%
Other languages160.5%

Place of birth & citizenship

OriginCount%
Native born (US)2,99897.4%
Born in same state2,99297.2%
Born in different state2,09267.9%
Foreign born60.2%
Naturalized citizen812.6%
Not a US citizen2429.6%

Ancestry

AncestryCount%
Italian60419.6%
French34111.1%
Arab1344.4%
English742.4%
AncestryCount%
Norwegian742.4%
Polish411.3%
Dutch80.3%
Irish60.2%

Technology access

Metric% of households
Computer access33.7%
Internet access93.3%

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

Frequently asked questions about ZIP code 06438

What city is ZIP code 06438 in?

ZIP code 06438 is primarily assigned to Haddam, Connecticut.

What county is ZIP code 06438 in?

ZIP code 06438 falls within Middlesex County, Connecticut.

How educated is the population of ZIP code 06438?

59% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 06438?

The median household income in ZIP code 06438 is $140,000, above the national median of ~$75,000.

What is the typical home value in ZIP code 06438?

The median home value in ZIP code 06438 is $373,100.

What is the population of ZIP code 06438?

ZIP code 06438 has an estimated population of 3,079 residents, with a density of 221 people per square mile.

What timezone is ZIP code 06438 in?

ZIP code 06438 observes the EST timezone.

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