06456 ZIP Code — Middle Haddam, CT

Middlesex County, Connecticut

ZIP code 06456 is located in Middle Haddam, Connecticut, within Middlesex County. It covers approximately 1.33 square miles and serves a population of 271 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 860.

About ZIP code 06456

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $426,900. Owner-occupancy is high at 86%, well above the national average.

The gap between median ($110,556) and mean household income suggests income inequality — a small number of higher earners pull the average up. 62% 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. An above-average commute of 38 minutes suggests many residents work outside the immediate area.

Educational attainment is high — 76% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 06456 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

271

population

1.33

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06456 ZIP code map

Cities in ZIP code 06456

Below are the cities the US Postal Service accepts for ZIP code 06456. Using any city not on this list may result in mail delivery delays.

City	Status
Middle Haddam	Acceptable

Demographics updated 05/2026

Population
Total population	271
Population density	204 / sq mi
State FIPS	09
County FIPS	007

Geography
Land area	1.33 sq mi
Water area	0.40 sq mi
Latitude	41.5568
Longitude	-72.5548
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	9.8%	28.8%	32.0%
$50k – $100k	50.0%	28.9%	27.7%
$100k – $200k	23.8%	30.3%	27.1%
Over $200k	16.4%	12.1%	13.2%

Demographics & statistics

271

Population

204

People per sq mi

65.3

Median age

$110,556

Median household income

$102,491

Per capita income

$426,900

Median home value

Median monthly rent

85.5%

Home ownership

12.5%

Poverty rate

6.1%

Unemployment

154

Housing units

76.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	9	3.3%
18 and over	262	96.7%
65 and over	141	52.0%
Median age	65.3 years

Race & ethnicity

White 100%

Group	Count	%
White	271	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	9.8%	28.8%	32.0%
$50k – $100k	50.0%	28.9%	27.7%
$100k – $200k	23.8%	30.3%	27.1%
Over $200k	16.4%	12.1%	13.2%

Under $10k 19.8%

$50k–$75k 8.7%

$75k–$100k 16.9%

$100k–$150k 20.3%

$150k–$200k 13.4%

$200k+ 20.9%

Range	% of households
Under $10k	19.8%
$50k–$75k	8.7%
$75k–$100k	16.9%
$100k–$150k	20.3%
$150k–$200k	13.4%
$200k+	20.9%
Median income	$110,556

Housing

Home values

$200k–$300k 6.1%

$300k–$500k 63.3%

$500k–$1M 30.6%

Housing overview

Metric	Value
Median home value	$426,900
Median rent / month	$0
Owner occupied	85.5%
Renter occupied	14.5%
Vacant	3.9%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.1
Avg household size (owned)	1.67

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	16.8%
1990–1999	0.0%
1980–1989	3.9%
1970–1979	14.0%
1960–1969	2.2%
1950–1959	5.0%
1940–1949	0.0%
1939 or earlier	58.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	15.1%
3 bedrooms	53.6%
4 bedrooms	31.3%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	10.5%
1 vehicle	27.9%
2 vehicles	54.7%
3 or more	7.0%

Heating fuel

Fuel type	%
Electricity	10.5%
Propane / LP gas	15.7%
Fuel oil	68.6%

Households & families

Household type	Count	%
Married-couple family	80	46.5%
Cohabiting couple	0	0.0%
Male householder, no spouse	34	19.8%
Female householder, no spouse	58	33.7%
Households with children under 18	9	5.2%
Households with seniors (65+)	121	70.3%
Average household size	1.58

Marital status

Status	Male	Female
Never married	3.7%	11.0%
Married	64.8%	51.3%
Separated	0.0%	0.0%
Widowed	0.0%	27.9%
Divorced	31.5%	9.7%

Education

Less than 9th grade 3.2%

Some HS, no diploma 0.0%

HS graduate 20.5%

Some college, no degree 0.0%

Associate's degree 0.0%

Bachelor's degree 32.1%

Graduate / professional 44.2%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	76.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	23	100.0%

Employment

Industry of employment

Education & healthcare 25.2%

Professional & management 22.3%

Finance & real estate 19.4%

Construction 16.5%

Arts, food & hospitality 9.4%

Other services 7.2%

Occupation

Category	%
Management, business & arts	71.2%
Service	9.4%
Sales & office	0.0%
Natural resources & construction	16.5%
Production & transportation	2.9%

Employment type

Type	%
Private sector	74.8%
Government	25.2%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	63.3%
Carpool	10.1%
Public transit	0.0%
Walk	0.0%
Work from home	19.4%
Other means	7.2%
Avg commute (minutes)	38.0

Poverty

All people 12.5%

Under 18 years 0.0%

18 and over 13.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	62.2%
Retirement income	50.6%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	30.9%
High blood pressure	35.8%
High cholesterol	36.8%
Diabetes	10.3%
Heart disease	7.4%
Stroke	3.2%
Asthma	10.6%
Arthritis	30.3%
Kidney disease	3.1%
Pulmonary disease	7.7%
Cancer	8.7%

Behavior / access	%
Smoking	16.8%
Binge drinking	15.5%
No physical activity	18.5%
Less than 7 hrs sleep	30.6%
Depression	21.2%
Fair or poor health	11.9%
Poor mental health	13.6%
Poor physical health	10.1%
No health insurance	7.3%
Visited doctor (checkup)	79.6%
Visited dentist	72.8%
Cholesterol screening	94.0%
Teeth loss	10.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	5	1.9%

Disability	%
Any disability	13.3%
Under 18	0.0%
18–64 years	0.0%
65 and over	25.5%

Health insurance coverage

Type	%
Private insurance	97.0%
Public insurance	52.0%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	262	96.7%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	261	96.3%
Born in same state	261	96.3%
Born in different state	192	70.8%
Foreign born	0	0.0%
Naturalized citizen	10	3.7%
Not a US citizen	10	100.0%

Ancestry

Ancestry	Count	%
Italian	101	37.3%
Arab	53	19.6%

Ancestry	Count	%
French	50	18.5%
German	14	5.2%

Technology access

Metric	% of households
Computer access	63.5%
Internet access	97.7%

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

Frequently asked questions about ZIP code 06456

What city is ZIP code 06456 in?

ZIP code 06456 is primarily assigned to Middle Haddam, Connecticut.

What county is ZIP code 06456 in?

ZIP code 06456 falls within Middlesex County, Connecticut.

Does ZIP code 06456 have an older population?

52% of residents in ZIP code 06456 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 06456?

76% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 06456 have a large retiree population?

62% of households in ZIP code 06456 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 06456 mostly owner-occupied?

86% of occupied units in ZIP code 06456 are owner-occupied, well above the national average.

What timezone is ZIP code 06456 in?

ZIP code 06456 observes the EST timezone.