Greenwich ZIP Code List — Fairfield County, CT

There are 3 unique ZIP codes in Greenwich, Connecticut. Area code: 203/475.

ZIP codes

41.09

sq mi land

5.31

sq mi water

203/475

area code

Greenwich, CT ZIP code map

About Greenwich, CT

Greenwich, Connecticut, is a picturesque town known for its affluent lifestyle and scenic views. Located in Fairfield County, it offers a charming mix of suburban tranquility and urban conveniences. With a vibrant community and a rich history, Greenwich attracts residents and visitors alike with its quaint downtown and beautiful coastal areas.

Location & geography

Greenwich is situated along the southwestern coast of Connecticut, approximately 30 miles from New York City. Nearby cities include Stamford, which is about 9 miles to the northwest, and Norwalk, roughly 12 miles to the northeast. The town boasts a diverse landscape with 41.09 square miles of land and 5.31 square miles of water, including lush parks and a picturesque waterfront.

Community & economy

The character of Greenwich is characterized by its affluent neighborhoods and a strong sense of community. The local economy is driven by finance, real estate, and retail, with many residents commuting to New York City for work. Daily life here is enriched by cultural institutions, shops, restaurants, and numerous recreational opportunities, including parks and beaches.

Transportation

The town is serviced by major highways, notably Interstate 95, which provides convenient access to neighboring cities and beyond. The nearest named airport is Westchester County Airport, located approximately 15 miles away in White Plains, New York. Public transit options include the Metro-North Railroad, offering regular train service to New York City.

History

Greenwich was founded in the 17th century and has historically been a center for agriculture and trade. Over the years, the town evolved into a hub for the finance industry and has attracted many notable figures. Key events in its history include its incorporation in 1665 and its development as a significant residential suburb for those working in New York City.

Did you know?

One surprising fact about Greenwich, CT, is that it has over 30 miles of coastline along Long Island Sound, offering stunning views and recreational opportunities. Additionally, it has been home to several famous individuals, including iconic personalities from the entertainment and business worlds.

ZIP codes for Greenwich, CT (3)

ZIP code	City	County	Map
06830	Greenwich	Fairfield	View map
06831	Greenwich	Fairfield	View map
06836	Greenwich	Fairfield	View map

Demographics & statistics

39,562

Population

45.0

Median age

$168,142

Median household income

$124,622

Per capita income

$1,621,650

Median home value

$2,339

Median monthly rent

64.6%

Home ownership

5.1%

Poverty rate

6.5%

Unemployment

11,207

Housing units

67.8%

Bachelor's or higher

Age distribution

Male Female

842

Under 5

930

1,014

5–9

1,121

1,383

10–14

1,528

1,373

15–19

1,519

906

20–24

1,002

1,739

25–34

1,922

2,061

35–44

2,278

2,844

45–54

3,145

1,417

55–59

1,567

1,628

60–64

1,800

2,014

65–74

2,226

1,132

75–84

1,252

436

85+

483

← Male

Female →

Age summary

Group	Count	%
Under 18	8,674	21.5%
18 and over	30,888	78.5%
65 and over	7,543	19.4%
Median age	45.0 years

Race & ethnicity

White 72.1%

Hispanic or Latino 8.1%

Two or more races 6.4%

Asian 4.6%

Black or African American 4.5%

Other race 4.3%

Group	Count	%
White	31,022	72.1%
Hispanic or Latino	3,472	8.1%
Two or more races	2,745	6.4%
Asian	1,972	4.6%
Black or African American	1,958	4.5%
Other race	1,850	4.3%

Household income

Under $10k 2.7%

$10k–$15k 1.4%

$15k–$25k 3.7%

$25k–$35k 3.7%

$35k–$50k 5.8%

$50k–$75k 7.3%

$75k–$100k 7.4%

$100k–$150k 13.6%

$150k–$200k 9.1%

$200k+ 45.5%

Range	% of households
Under $10k	2.7%
$10k–$15k	1.4%
$15k–$25k	3.7%
$25k–$35k	3.7%
$35k–$50k	5.8%
$50k–$75k	7.3%
$75k–$100k	7.4%
$100k–$150k	13.6%
$150k–$200k	9.1%
$200k+	45.5%
Median income	$168,142

Housing

Home values

Under $50k 1.0%

$50k–$100k 0.2%

$100k–$150k 0.9%

$150k–$200k 0.3%

$200k–$300k 0.7%

$300k–$500k 5.1%

$500k–$1M 24.6%

$1M+ 67.4%

Housing overview

Metric	Value
Median home value	$1,621,650
Median rent / month	$2,339
Owner occupied	64.6%
Renter occupied	35.4%
Vacant	12.9%
Single-family detached	62.3%
Large apartment buildings	7.3%
Mobile homes	0.1%
Median rooms	6.9
Avg household size (owned)	2.73

Year built

Era	%
2020 or later	0.2%
2010–2019	4.6%
2000–2009	9.1%
1990–1999	7.2%
1980–1989	10.4%
1970–1979	12.4%
1960–1969	12.5%
1950–1959	14.7%
1940–1949	6.1%
1939 or earlier	23.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.9%
1 bedroom	10.3%
2 bedrooms	18.1%
3 bedrooms	26.5%
4 bedrooms	19.1%
5+ bedrooms	23.2%

Vehicles per household

Vehicles	% of households
No vehicle	4.2%
1 vehicle	28.3%
2 vehicles	40.9%
3 or more	26.8%

Heating fuel

Fuel type	%
Utility gas	57.0%
Electricity	13.8%
Propane / LP gas	5.8%
Fuel oil	22.4%
Solar	0.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	8,795	62.6%
Cohabiting couple	432	2.7%
Male householder, no spouse	1,807	11.6%
Female householder, no spouse	3,586	23.2%
Households with children under 18	4,690	31.8%
Households with seniors (65+)	5,091	35.1%
Average household size	2.69

Marital status

Status	Male	Female
Never married	29.1%	28.0%
Married	62.7%	54.4%
Separated	0.4%	0.9%
Widowed	1.3%	8.8%
Divorced	6.5%	8.1%

Education

Less than 9th grade 1.9%

Some HS, no diploma 2.0%

HS graduate 13.6%

Some college, no degree 9.7%

Associate's degree 5.0%

Bachelor's degree 33.2%

Graduate / professional 34.7%

Metric	%
HS diploma or higher	96.1%
Bachelor's or higher	67.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	626	6.5%
Kindergarten	406	4.1%
Elementary school	4,183	42.1%
High school	2,627	25.1%
College / grad school	2,113	22.3%

Employment

Industry of employment

Education & healthcare 22.5%

Finance & real estate 20.8%

Professional & management 16.9%

Other services 6.8%

Arts, food & hospitality 6.6%

Retail trade 5.8%

Construction 4.9%

Manufacturing 4.5%

Public administration 3.0%

Transportation & utilities 2.8%

Wholesale trade 2.7%

Information 1.9%

Agriculture & mining 1.0%

Occupation

Category	%
Management, business & arts	60.0%
Service	13.2%
Sales & office	18.7%
Natural resources & construction	3.7%
Production & transportation	4.6%

Employment type

Type	%
Private sector	80.1%
Government	10.0%
Self-employed	9.4%
Unpaid family workers	0.7%

Commute

Method	%
Drive alone	58.5%
Carpool	5.5%
Public transit	11.3%
Walk	4.5%
Other means	0.7%
Avg commute (minutes)	28.7

Poverty

All people 5.1%

Under 18 years 4.7%

18 and over 5.2%

Married-couple families 2.2%

Female-led households 10.8%

Income support

Source	% of households
Social Security	31.8%
Retirement income	22.9%
Supplemental Security	2.8%
Cash public assistance	2.1%
Food stamps / SNAP	3.8%

Health indicators

Condition	%
High blood pressure	28.9%
High cholesterol	33.4%
Heart disease	5.7%
Stroke	2.5%
Asthma	8.3%
Arthritis	22.2%
Kidney disease	2.6%
Pulmonary disease	4.6%
Cancer	8.2%

Behavior / access	%
Binge drinking	14.9%
No physical activity	15.2%
Less than 7 hrs sleep	28.5%
Fair or poor health	8.9%
Poor mental health	11.0%
Poor physical health	7.7%
No health insurance	8.5%
Visited doctor (checkup)	76.3%
Visited dentist	77.1%
Cholesterol screening	94.4%
Teeth loss	6.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	808	2.8%

Disability	%
Any disability	6.7%
Under 18	1.5%
18–64 years	5.6%
65 and over	16.4%

Health insurance coverage

Type	%
Private insurance	82.2%
Public insurance	26.6%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	37,790	95.8%
Spanish	2,517	6.0%
Other Indo-European	1,597	3.6%
Asian & Pacific Islander	638	1.7%
Other languages	282	0.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	31,666	81.6%
Born in same state	30,797	79.3%
Born in different state	11,294	28.7%
Foreign born	869	2.3%
Naturalized citizen	7,896	18.5%
Not a US citizen	4,730	63.8%

Ancestry

Ancestry	Count	%
Italian	6,091	15.4%
French	4,366	11%
Arab	2,102	5.3%
English	478	1.2%
Polish	453	1.1%

Ancestry	Count	%
Dutch	373	0.9%
Norwegian	205	0.5%
German	156	0.4%
Irish	137	0.3%

Technology access

Metric	% of households
Computer access	36.7%
Internet access	97.2%

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

Frequently asked questions

What ZIP codes does Greenwich, CT have?

Greenwich, CT has 2 ZIP codes: 06830, 06831. Each ZIP code serves a distinct delivery area within the city and surrounding region.

What is the main ZIP code for Greenwich, CT?

The primary ZIP code for Greenwich, CT is 06830. The city uses area code 203 or 475 for phone service.

What county is Greenwich, CT in?

Greenwich is located in Fairfield County, Connecticut.

How many ZIP codes are in Greenwich, CT?

Greenwich, CT has 2 ZIP codes.

What ZIP code should I use for mailing to Greenwich Avenue, the main downtown shopping and business district in Greenwich?

Greenwich Avenue and the downtown Greenwich area are primarily served by ZIP code 06830, which covers the central business district and surrounding neighborhoods.

Which ZIP code covers the Belle Haven peninsula area, one of Greenwich's most exclusive waterfront residential neighborhoods?

The Belle Haven peninsula and its surrounding upscale residential areas are located in ZIP code 06830, the primary ZIP code for Greenwich's most prestigious neighborhoods.