Zip code 06831: Greenwich, Connecticut

Q: What city is zip code 06831?

06831 is assigned to Greenwich, Connecticut. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What is the population of 06831?

About 15,210 people live in 06831, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 06831?

The median household income in 06831 is $227,159.

Q: What zip codes are near 06831?

The closest zip codes to 06831 are 10504, 06830, 06807, 10577, 10610.

Residential delivery areaEastern Time

Population

15,210

Median household income

$227K

U.S. $81K

Median home value

$1.7M

U.S. $333K

Median rent

$3,500+/mo

U.S. $1,413

Median age

47.5

U.S. 38.9

Land area

28 sq mi

552 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 06831

06831 is a suburban zip code in Greenwich, Connecticut, covering 28 sq mi of land. About 15,210 people live here, or 552 per square mile. The median resident is 47.5 years old, compared with 38.9 nationally.

The median household earns $227,159 a year, about 2.8× the national median of $80,734. 4.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $1,696,000, or 7.5 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 79% of occupied homes are lived in by their owners, and renters pay a median of $3,500+ a month.

71% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 29 minutes each way, and 29% of workers work from home. The most common jobs among working residents are in management; office and administrative support; and business and finance. 21% of them are self-employed (U.S.: 10%). 23% of households speak a language other than English at home, most often another Indo-European language such as French, German, Russian or Hindi.

How 06831 compares

Sorted from highest to lowest national percentile

Median household income$227,159
99th
StrengthU.S. $80,734 · CT $95,78110th of 267 in CT
Per capita income$142,594
99th
StrengthU.S. $44,673 · CT $55,9157th of 277 in CT
Median home value$1,696,000
99th
U.S. $332,700 · CT $366,9004th of 267 in CT
Median gross rent$3,500+
99th
U.S. $1,413 · CT $1,4883rd of 247 in CT
Broadband access98.8%
99th
StrengthU.S. 91% · CT 92.2%25th of 275 in CT
Self-employed workers21.4%
98th
U.S. 10% · CT 9.9%19th of 276 in CT
Income inequality (Gini)0.554
98th
WeaknessU.S. 0.483 · CT 0.4999th of 274 in CT
Median earnings per worker$97,062
97th
StrengthU.S. $49,666 · CT $57,73919th of 275 in CT
Bachelor's degree or higher70.9%
96th
StrengthU.S. 35.7% · CT 42.5%29th of 277 in CT
Work from home29.1%
93rd
U.S. 15.1% · CT 16%27th of 276 in CT
Median age47.5
92nd
U.S. 38.9 · CT 41.177th of 277 in CT
Residents 65 and older23.3%
88th
U.S. 17.2% · CT 18.5%71st of 277 in CT
Housing vacancy12.3%
80th
U.S. 10.1% · CT 7%47th of 275 in CT
Homeownership rate79%
76th
U.S. 65.2% · CT 66.5%142nd of 275 in CT
Average commute29 min
69th
U.S. 26.4 min · CT 26.5 min92nd of 268 in CT
Foreign-born residents15.9%
67th
U.S. 14.1% · CT 15.7%72nd of 277 in CT
Rent-burdened renters51.8%
54th
U.S. 51.1% · CT 52.6%121st of 267 in CT
Tech workers3%
52nd
U.S. 3.8% · CT 3.6%140th of 276 in CT
Residents under 1821.3%
43rd
U.S. 22% · CT 20.2%91st of 277 in CT
Unemployment rate4.2%
37th
U.S. 5.2% · CT 5.6%151st of 276 in CT
Population density552/sq mi
34th
U.S. 95/sq mi · CT 749/sq mi149th of 277 in CT
Diversity index34.7
29th
U.S. 61.4 · CT 57142nd of 277 in CT
Population15,210
23rd
U.S. 334,922,499 · CT 3,624,50893rd of 277 in CT
Uninsured rate3.7%
19th
StrengthU.S. 8.4% · CT 5.4%114th of 276 in CT
Healthcare workers7.2%
18th
U.S. 9.7% · CT 10.4%215th of 276 in CT
Government workers9.5%
15th
U.S. 14.5% · CT 13.1%217th of 276 in CT
Veterans2.7%
12th
U.S. 6.2% · CT 4.7%229th of 277 in CT
Poverty rate4.6%
10th
StrengthU.S. 12.5% · CT 10%178th of 276 in CT

Measure	06831	CT	U.S.	National percentile	Rank in CT
Median household incomeStrength	$227,159	$95,781	$80,734	99th	10th of 267
Per capita incomeStrength	$142,594	$55,915	$44,673	99th	7th of 277
Median home value	$1,696,000	$366,900	$332,700	99th	4th of 267
Median gross rent	$3,500+	$1,488	$1,413	99th	3rd of 247
Broadband accessStrength	98.8%	92.2%	91%	99th	25th of 275
Self-employed workers	21.4%	9.9%	10%	98th	19th of 276
Income inequality (Gini)Weakness	0.554	0.499	0.483	98th	9th of 274
Median earnings per workerStrength	$97,062	$57,739	$49,666	97th	19th of 275
Bachelor's degree or higherStrength	70.9%	42.5%	35.7%	96th	29th of 277
Work from home	29.1%	16%	15.1%	93rd	27th of 276
Median age	47.5	41.1	38.9	92nd	77th of 277
Residents 65 and older	23.3%	18.5%	17.2%	88th	71st of 277
Housing vacancy	12.3%	7%	10.1%	80th	47th of 275
Homeownership rate	79%	66.5%	65.2%	76th	142nd of 275
Average commute	29 min	26.5 min	26.4 min	69th	92nd of 268
Foreign-born residents	15.9%	15.7%	14.1%	67th	72nd of 277
Rent-burdened renters	51.8%	52.6%	51.1%	54th	121st of 267
Tech workers	3%	3.6%	3.8%	52nd	140th of 276
Residents under 18	21.3%	20.2%	22%	43rd	91st of 277
Unemployment rate	4.2%	5.6%	5.2%	37th	151st of 276
Population density	552/sq mi	749/sq mi	95/sq mi	34th	149th of 277
Diversity index	34.7	57	61.4	29th	142nd of 277
Population	15,210	3,624,508	334,922,499	23rd	93rd of 277
Uninsured rateStrength	3.7%	5.4%	8.4%	19th	114th of 276
Healthcare workers	7.2%	10.4%	9.7%	18th	215th of 276
Government workers	9.5%	13.1%	14.5%	15th	217th of 276
Veterans	2.7%	4.7%	6.2%	12th	229th of 277
Poverty rateStrength	4.6%	10%	12.5%	10th	178th of 276

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

16%

5–17

18–24

25–34

11%

35–44

12%

45–54

18%

55–64

13%

65–74

10%

75+

Median age

47.5

Under 18

21.3%

65 and over

23.3%

Race and ethnicity

White80%
Black0.8%
Hispanic11%
Asian4%
Native American0%
Pacific Islander0%
Other0.2%
Multiracial4%

Diversity index

34.7

U.S. 61.4

Foreign-born

15.9%

U.S. 14.1%

Born in state

27.5%

Language spoken at home (households)

English only

77%

Spanish

Other Indo-European

10%

Asian / Pacific

Other

0.2%

Households

Households: 5,382
Average household size: 2.8
Family households: 76.1%
Married couples: 69.4%
Living alone: 21.1%
Veterans (of adults): 2.7%
Male / female: 48% / 52%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

$100–150k

11%

$150–200k

10%

$200k+

56%

Median household income

06831

$227,159

Connecticut

$95,781

United States

$80,734

Per capita income

$142,594

U.S. $44,673

Poverty rate

4.6%

U.S. 12.5%

Households earning $150K+

65.7%

U.S. 23%

Income inequality (Gini)

0.554

U.S. 0.483

Housing

Median home value

06831

$1,696,000

Connecticut

$366,900

United States

$332,700

Median gross rent

06831

$3,500+

Connecticut

$1,488

United States

$1,413

Types of housing

Single-family

88%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 6,135
Owner-occupied: 79%
Vacant: 12.3%
Median year built: 1970
Median rooms: 7.7
Renters paying 30%+ of income: 51.8%
Renters paying 50%+ of income: 26.2%
Home value to income: 7.5× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

51%

Carpooled

Transit

12%

Walked

Bicycle

0.2%

Worked from home

29%

Other

Commute time (one way)

<10 min

11%

10–19

33%

20–29

18%

30–44

12%

45–59

60+

18%

Average commute

29 min

U.S. 26.4 min

Unemployment

4.2%

U.S. 5.2%

In labor force

65.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

23%

Office and admin

10%

Business and finance

10%

Education

10%

Sales

10%

Healthcare

Legal and social services

Cleaning and personal care

Construction and repair

Engineering and science

Computer and math

Transportation and moving

Arts, media and sports

Production

Police and fire

Food service

Farming, fishing and forestry

Industries

Finance, insurance and real estate

23%

Professional and technical services

14%

Education

11%

Health care and social assistance

10%

Manufacturing

Retail

Admin, support and management

Other services

Arts and recreation

Wholesale

Transportation, warehousing and utilities

Information

Public administration

Construction

Restaurants and hotels

Agriculture and mining

0.4%

Median earnings per worker

$97,062

U.S. $49,666

Self-employed

21.4%

U.S. 10%

Government workers

9.5%

U.S. 14.5%

Nonprofit workers

6.9%

U.S. 8.8%

Median earnings by type of work

Type of work	06831	U.S.
Management, business, science and arts	$121,270	$74,888
Service	$24,958	$26,804
Sales and office	$78,456	$40,476
Construction and maintenance	$60,763	$49,199
Production and transportation	$58,393	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

12%

Some college

10%

Associate's

Bachelor's

32%

Graduate

39%

High school graduate or higher: 96.1%
Bachelor's degree or higher: 70.9%
Graduate or professional degree: 39.2%
Households with broadband: 98.8%
Cable, fiber or DSL: 89.6%
No internet access: 1.2%
Without health insurance: 3.7%
Limited-English households: 3.2%

Geography

City (USPS): Greenwich
State: Connecticut
Center point: 41.0887° N, 73.6588° W
Land area: 28 sq mi
Water area: 0.5 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Stamford5% of zip
Rock Ridge (unincorporated)3% of zip
Glenville (unincorporated)3% of zip
Pemberwick (unincorporated)3% of zip
Greenwich (unincorporated)2% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 06831

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
10504	Armonk, NY	3.7 mi	7,665	$250,000+	$1,243,100
06830	Greenwich, CT	4 mi	24,880	$146,654	$1,660,700
06807	Cos Cob, CT	4.1 mi	7,650	$192,115	$1,443,200
10577	Purchase, NY	4.4 mi	5,945	$250,000+	$1,631,800
10610	White Plains, NY · PO box	4.4 mi	—	—	—
06836	Greenwich, CT · PO box	4.6 mi	—	—	—
10604	West Harrison, NY	4.7 mi	12,517	$117,014	$735,700
10573	Port Chester, NY	5.1 mi	40,786	$105,686	$662,900
06878	Riverside, CT	5.6 mi	8,328	$250,000+	$1,968,800
06903	Stamford, CT	5.6 mi	14,010	$204,028	$911,000
06905	Stamford, CT	6 mi	20,725	$136,757	$618,400
10594	Thornwood, NY	6.1 mi	5,110	$163,542	$683,200

Zip codes like 06831 elsewhere

Matched on income, home values, age, density, education, housing and commuting

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Questions about 06831

What city is zip code 06831?

06831 is assigned to Greenwich, Connecticut. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What is the population of 06831?

About 15,210 people live in 06831, according to the Census Bureau's American Community Survey.

What time zone is 06831 in?

06831 is in Eastern Time.

What is the median household income in 06831?

The median household income in 06831 is $227,159.

What zip codes are near 06831?

The closest zip codes to 06831 are 10504, 06830, 06807, 10577, 10610.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 06831, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.