06409 ZIP Code — Centerbrook, CT

Middlesex County, Connecticut

ZIP code 06409 is located in Centerbrook, Connecticut, within Middlesex County. It covers approximately 1.17 square miles and serves a population of 863 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 860.

About ZIP code 06409

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 $320,500. Owner-occupancy is high at 81%, well above the national average.

The gap between median ($77,153) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 34% 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 22 minutes is near the national average.

Educational attainment is near the national average, with 42% of residents holding a bachelor's degree or higher.

Overall, ZIP code 06409 reflects a community defined by high homeownership and a significant Social Security-dependent population.

863

population

1.17

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06409 ZIP code map

Cities in ZIP code 06409

Below are the cities the US Postal Service accepts for ZIP code 06409. Using any city not on this list may result in mail delivery delays.

City	Status
Centerbrook	Preferred

Nearby ZIP codes

06426 Essex (0.6 mi) 06442 Ivoryton (1.7 mi) 06417 Deep River (2.5 mi) 06475 Old Saybrook (3.5 mi) 06371 Old Lyme (3.8 mi) 06498 Westbrook (3.9 mi) 06412 Chester (5.3 mi) 06413 Clinton (7.3 mi) 06419 Killingworth (8.8 mi) 06423 East Haddam (8.8 mi) 06438 Haddam (9 mi) 06333 East Lyme (9.3 mi)

Demographics updated 05/2026

Population
Total population	863
Population density	738 / sq mi
State FIPS	09
County FIPS	007

Geography
Land area	1.17 sq mi
Water area	0.08 sq mi
Latitude	41.3489
Longitude	-72.4132
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	41.2%	28.8%	32.0%
$50k – $100k	33.6%	28.9%	27.7%
$100k – $200k	3.1%	30.3%	27.1%
Over $200k	22.1%	12.1%	13.2%

Demographics & statistics

863

Population

738

People per sq mi

46.9

Median age

$77,153

Median household income

$50,207

Per capita income

$320,500

Median home value

$994

Median monthly rent

81.2%

Home ownership

3.5%

Poverty rate

3.9%

Unemployment

398

Housing units

41.8%

Bachelor's or higher

Age distribution

Male Female

5–9

10–14

15–19

20–24

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	196	22.7%
18 and over	667	77.3%
65 and over	183	21.2%
Median age	46.9 years

Race & ethnicity

White 74.2%

Asian 12.5%

Black or African American 7.7%

Hispanic or Latino 2.8%

Two or more races 2.8%

Group	Count	%
White	659	74.2%
Asian	111	12.5%
Black or African American	68	7.7%
Hispanic or Latino	25	2.8%
Two or more races	25	2.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.2%	28.8%	32.0%
$50k – $100k	33.6%	28.9%	27.7%
$100k – $200k	3.1%	30.3%	27.1%
Over $200k	22.1%	12.1%	13.2%

Under $10k 2.6%

$15k–$25k 5.4%

$25k–$35k 11.3%

$35k–$50k 13.2%

$50k–$75k 6.6%

$75k–$100k 18.1%

$100k–$150k 23.5%

$150k–$200k 5.6%

$200k+ 13.6%

Range	% of households
Under $10k	2.6%
$15k–$25k	5.4%
$25k–$35k	11.3%
$35k–$50k	13.2%
$50k–$75k	6.6%
$75k–$100k	18.1%
$100k–$150k	23.5%
$150k–$200k	5.6%
$200k+	13.6%
Median income	$77,153

Housing

Home values

Under $50k 3.8%

$100k–$150k 8.1%

$200k–$300k 32.2%

$300k–$500k 45.5%

$500k–$1M 8.4%

$1M+ 2.0%

Housing overview

Metric	Value
Median home value	$320,500
Median rent / month	$994
Owner occupied	81.2%
Renter occupied	18.8%
Vacant	11.1%
Single-family detached	83.3%
Large apartment buildings	2.5%
Mobile homes	0.0%
Median rooms	5.6
Avg household size (owned)	2.03

Year built

Era	%
2020 or later	0.0%
2010–2019	5.9%
2000–2009	2.5%
1990–1999	0.0%
1980–1989	25.7%
1970–1979	6.7%
1960–1969	1.7%
1950–1959	12.6%
1940–1949	0.0%
1939 or earlier	45.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	14.2%
2 bedrooms	12.1%
3 bedrooms	67.6%
4 bedrooms	6.1%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	5.6%
1 vehicle	33.6%
2 vehicles	50.1%
3 or more	10.6%

Heating fuel

Fuel type	%
Utility gas	3.8%
Electricity	18.8%
Fuel oil	77.4%

Households & families

Household type	Count	%
Married-couple family	137	32.2%
Cohabiting couple	50	11.8%
Male householder, no spouse	94	22.1%
Female householder, no spouse	144	33.9%
Households with children under 18	133	31.3%
Households with seniors (65+)	154	36.2%
Average household size	2.03

Marital status

Status	Male	Female
Never married	17.4%	24.4%
Married	65.3%	32.9%
Separated	0.0%	0.0%
Widowed	4.5%	19.6%
Divorced	12.8%	23.2%

Education

Less than 9th grade 2.5%

Some HS, no diploma 1.2%

HS graduate 41.6%

Some college, no degree 5.2%

Associate's degree 7.7%

Bachelor's degree 28.6%

Graduate / professional 13.2%

Metric	%
HS diploma or higher	96.3%
Bachelor's or higher	41.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	161	65.7%
High school	52	21.2%
College / grad school	32	13.1%

Employment

Industry of employment

Education & healthcare 48.4%

Wholesale trade 13.2%

Manufacturing 12.3%

Retail trade 9.5%

Transportation & utilities 5.7%

Information 4.5%

Arts, food & hospitality 4.3%

Construction 2.0%

Occupation

Category	%
Management, business & arts	46.8%
Service	3.6%
Sales & office	24.1%
Natural resources & construction	8.0%
Production & transportation	17.5%

Employment type

Type	%
Private sector	90.5%
Government	7.3%
Self-employed	2.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	72.1%
Carpool	10.6%
Public transit	0.0%
Walk	5.6%
Work from home	11.7%
Other means	0.0%
Avg commute (minutes)	22.3

Poverty

All people 3.5%

Under 18 years 9.7%

18 and over 1.6%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	34.1%
Retirement income	19.1%
Supplemental Security	0.0%
Cash public assistance	8.5%
Food stamps / SNAP	9.4%

Health indicators

Condition	%
Obesity	28.0%
High blood pressure	32.3%
High cholesterol	34.3%
Diabetes	8.7%
Heart disease	6.3%
Stroke	2.7%
Asthma	9.6%
Arthritis	26.9%
Kidney disease	2.8%
Pulmonary disease	5.8%
Cancer	8.8%

Behavior / access	%
Smoking	12.3%
Binge drinking	16.0%
No physical activity	15.6%
Less than 7 hrs sleep	28.2%
Depression	19.2%
Fair or poor health	9.2%
Poor mental health	12.0%
Poor physical health	8.0%
No health insurance	7.1%
Visited doctor (checkup)	79.4%
Visited dentist	77.0%
Cholesterol screening	94.0%
Teeth loss	7.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	19.2%
Under 18	2.6%
18–64 years	20.0%
65 and over	35.0%

Health insurance coverage

Type	%
Private insurance	57.7%
Public insurance	56.4%
No insurance	1.4%
Uninsured under 19	5.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	863	100.0%
Spanish	31	3.6%
Other Indo-European	0	0.0%
Asian & Pacific Islander	31	3.6%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	737	85.4%
Born in same state	737	85.4%
Born in different state	564	65.4%
Foreign born	0	0.0%
Naturalized citizen	126	14.6%
Not a US citizen	58	46.0%

Ancestry

Ancestry	Count	%
French	119	13.8%
Arab	52	6%
Dutch	37	4.3%

Ancestry	Count	%
English	18	2.1%
Italian	13	1.5%

Technology access

Metric	% of households
Computer access	49.2%
Internet access	97.4%

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

Frequently asked questions about ZIP code 06409

What city is ZIP code 06409 in?

ZIP code 06409 is primarily assigned to Centerbrook, Connecticut.

What county is ZIP code 06409 in?

ZIP code 06409 falls within Middlesex County, Connecticut.

Is ZIP code 06409 mostly owner-occupied?

81% of occupied units in ZIP code 06409 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 06409?

The median home value in ZIP code 06409 is $320,500.

What is the population of ZIP code 06409?

ZIP code 06409 has an estimated population of 863 residents, with a density of 740 people per square mile.

What is the median household income in ZIP code 06409?

The median household income in ZIP code 06409 is $77,153, above the national median of ~$75,000.

What timezone is ZIP code 06409 in?

ZIP code 06409 observes the EST timezone.