New Canaan ZIP Codes — Fairfield County, CT

There is one unique ZIP code in New Canaan, Connecticut and it is 06840. Area code: 203/475.

ZIP codes

22.18

sq mi land

0.33

sq mi water

203/475

area code

New Canaan, CT ZIP code map

About New Canaan, CT

New Canaan, Connecticut, is a picturesque town located in Fairfield County, known for its charming small-town atmosphere and affluent community. With beautiful historic homes and upscale boutiques, the city combines modern living with traditional New England charm. It serves as a desirable residential area, attracting families and professionals alike.

Location & geography

Geographically, New Canaan is situated in southwestern Connecticut, approximately 14 miles northeast of Stamford and about 32 miles from New York City. The town spans a total land area of 22.18 square miles, complemented by a small water area of 0.33 square miles. The terrain features rolling hills and a suburban landscape, making it an ideal setting for outdoor activities.

Community & economy

New Canaan's community is characterized by its high quality of life and strong commitment to education, with excellent schools and local engagement. The town enjoys a vibrant arts scene, with various galleries and cultural events that draw visitors and residents together. Local industries primarily include professional services, retail, and real estate, contributing to the town's vibrant economy.

Transportation

New Canaan is serviced by Route 106 and Route 123, which provide easy access to neighboring towns and cities. The nearest major airport is Westchester County Airport, located approximately 20 miles away, while Metro-North Railroad serves the community with a convenient train service to New York City. These transit options enhance connectivity for both residents and visitors.

History

Founded in 1731, New Canaan has a rich history tied to agriculture and industry, which has evolved over the years into a center for suburban living. The construction of the railroad in the 1860s significantly boosted its development, bringing commerce and tourists to the area. Notable events include the establishment of its vibrant downtown and its designation as a Historic District, showcasing its architectural heritage.

Did you know?

A little-known fact about New Canaan is that it is home to the only remaining Frank Lloyd Wright-designed house in Connecticut, known as the Glass House, which draws architecture enthusiasts from around the globe. Additionally, the town boasts an exceptional number of historic sites, with a focus on preservation and community involvement.

ZIP codes for New Canaan, CT (1)

ZIP code	City	County	Map
06840	New Canaan	Fairfield	View map

Demographics & statistics

20,709

Population

43.5

Median age

$250,001

Median household income

$138,453

Per capita income

$1,434,400

Median home value

$3,278

Median monthly rent

85.0%

Home ownership

2.4%

Poverty rate

4.9%

Unemployment

6,667

Housing units

82.3%

Bachelor's or higher

Age distribution

Male Female

491

Under 5

560

689

5–9

784

874

10–14

995

961

15–19

1,094

504

20–24

574

467

25–34

532

1,084

35–44

1,234

1,537

45–54

1,751

880

55–59

1,002

672

60–64

765

794

65–74

905

471

75–84

536

259

85+

294

← Male

Female →

Age summary

Group	Count	%
Under 18	5,660	27.3%
18 and over	15,049	72.7%
65 and over	3,259	15.7%
Median age	43.5 years

Race & ethnicity

White 82.4%

Asian 6.2%

Two or more races 5.4%

Hispanic or Latino 4%

Black or African American 1.6%

Other race 0.4%

Group	Count	%
White	17,781	82.4%
Asian	1,336	6.2%
Two or more races	1,169	5.4%
Hispanic or Latino	863	4%
Black or African American	335	1.6%
Other race	82	0.4%

Household income

Under $10k 1.2%

$10k–$15k 1.1%

$15k–$25k 1.1%

$25k–$35k 1.4%

$35k–$50k 4.0%

$50k–$75k 6.2%

$75k–$100k 4.7%

$100k–$150k 10.8%

$150k–$200k 9.9%

$200k+ 59.6%

Range	% of households
Under $10k	1.2%
$10k–$15k	1.1%
$15k–$25k	1.1%
$25k–$35k	1.4%
$35k–$50k	4.0%
$50k–$75k	6.2%
$75k–$100k	4.7%
$100k–$150k	10.8%
$150k–$200k	9.9%
$200k+	59.6%
Median income	$250,001

Housing

Home values

Under $50k 0.6%

$50k–$100k 0.2%

$100k–$150k 0.3%

$150k–$200k 0.6%

$200k–$300k 1.4%

$300k–$500k 4.5%

$500k–$1M 21.1%

$1M+ 71.3%

Housing overview

Metric	Value
Median home value	$1,434,400
Median rent / month	$3,278
Owner occupied	85.0%
Renter occupied	15.0%
Vacant	8.8%
Single-family detached	74.2%
Large apartment buildings	2.4%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	2.99

Year built

Era	%
2020 or later	0.0%
2010–2019	6.7%
2000–2009	10.9%
1990–1999	8.7%
1980–1989	6.4%
1970–1979	10.0%
1960–1969	19.7%
1950–1959	13.8%
1940–1949	5.3%
1939 or earlier	18.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	3.7%
2 bedrooms	9.9%
3 bedrooms	22.8%
4 bedrooms	33.1%
5+ bedrooms	29.4%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	22.4%
2 vehicles	47.5%
3 or more	27.0%

Heating fuel

Fuel type	%
Utility gas	9.2%
Electricity	13.1%
Propane / LP gas	9.4%
Fuel oil	66.7%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	4,900	69.6%
Cohabiting couple	123	1.7%
Male householder, no spouse	531	7.5%
Female householder, no spouse	1,485	21.1%
Households with children under 18	2,873	40.8%
Households with seniors (65+)	2,372	33.7%
Average household size	2.93

Marital status

Status	Male	Female
Never married	23.9%	24.8%
Married	71.1%	56.3%
Separated	0.4%	0.8%
Widowed	1.0%	6.8%
Divorced	3.6%	11.4%

Education

Less than 9th grade 0.6%

Some HS, no diploma 0.7%

HS graduate 5.9%

Some college, no degree 7.7%

Associate's degree 2.9%

Bachelor's degree 43.1%

Graduate / professional 39.2%

Metric	%
HS diploma or higher	98.8%
Bachelor's or higher	82.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	531	8.3%
Kindergarten	220	3.4%
Elementary school	2,848	44.4%
High school	1,767	27.5%
College / grad school	1,053	16.4%

Employment

Industry of employment

Finance & real estate 32.0%

Professional & management 21.6%

Education & healthcare 14.5%

Retail trade 8.0%

Manufacturing 7.2%

Arts, food & hospitality 4.7%

Information 2.9%

Construction 2.6%

Other services 2.5%

Wholesale trade 1.6%

Public administration 1.5%

Transportation & utilities 1.1%

Occupation

Category	%
Management, business & arts	68.7%
Service	6.3%
Sales & office	21.8%
Natural resources & construction	1.3%
Production & transportation	2.0%

Employment type

Type	%
Private sector	88.1%
Government	6.1%
Self-employed	5.7%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	50.1%
Carpool	3.2%
Public transit	17.2%
Walk	4.0%
Other means	0.7%
Avg commute (minutes)	39.8

Poverty

All people 2.4%

Under 18 years 0.9%

18 and over 2.9%

Married-couple families 2.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	27.8%
Retirement income	21.0%
Supplemental Security	2.0%
Cash public assistance	0.8%
Food stamps / SNAP	2.7%

Health indicators

Condition	%
High blood pressure	27.1%
High cholesterol	33.2%
Heart disease	5.0%
Stroke	2.1%
Asthma	8.2%
Arthritis	21.0%
Kidney disease	2.3%
Pulmonary disease	3.9%
Cancer	8.1%

Behavior / access	%
Binge drinking	15.7%
No physical activity	12.0%
Less than 7 hrs sleep	27.1%
Fair or poor health	6.9%
Poor mental health	10.3%
Poor physical health	6.7%
No health insurance	5.8%
Visited doctor (checkup)	76.4%
Visited dentist	81.5%
Cholesterol screening	95.6%
Teeth loss	4.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	641	4.3%

Disability	%
Any disability	6.9%
Under 18	0.9%
18–64 years	4.9%
65 and over	25.2%

Health insurance coverage

Type	%
Private insurance	88.5%
Public insurance	18.2%
Uninsured under 19	1.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,658	94.9%
Spanish	420	2.1%
Other Indo-European	54	0.3%
Asian & Pacific Islander	147	0.7%
Other languages	219	1.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,244	88.1%
Born in same state	17,625	85.1%
Born in different state	7,107	34.3%
Foreign born	619	3.0%
Naturalized citizen	2,465	11.9%
Not a US citizen	1,624	65.9%

Ancestry

Ancestry	Count	%
Italian	4,540	21.9%
French	3,351	16.2%
Arab	630	3%
English	199	1%
German	194	0.9%

Ancestry	Count	%
Dutch	154	0.7%
Irish	149	0.7%
Polish	97	0.5%
Norwegian	24	0.1%

Technology access

Metric	% of households
Computer access	34.0%
Internet access	98.5%

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

Frequently asked questions

What ZIP codes does New Canaan, CT have?

New Canaan, CT has one ZIP code: 06840. Each ZIP code serves a distinct delivery area within the city and surrounding region.