Zip code 06870: Old Greenwich, Connecticut

Q: What city is zip code 06870?

06870 is assigned to Old 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 06870?

About 7,864 people live in 06870, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 06870?

The median household income in 06870 is $250,000+.

Q: What zip codes are near 06870?

The closest zip codes to 06870 are 06878, 06910, 06926, 06807, 06921.

Residential delivery areaEastern Time

Population

7,864

Median household income

$250K+

U.S. $81K

Median home value

$1.8M

U.S. $333K

Median rent

$3,500+/mo

U.S. $1,413

Median age

U.S. 38.9

Land area

2.3 sq mi

3,469 people/sq mi

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

About 06870

06870 is an urban zip code in Old Greenwich, Connecticut, covering 2.3 sq mi of land. About 7,864 people live here, or 3,469 per square mile. The median resident is 40 years old, compared with 38.9 nationally.

The median household income is $250,000+ a year, the Census Bureau's reporting limit (U.S.: $80,734). 3.4% of residents live below the poverty line (U.S.: 12.5%). The median home value is $1,788,700. 84% of occupied homes are lived in by their owners, and renters pay a median of $3,500+ a month.

85% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 32.8 minutes each way, and 33% of workers work from home. The most common jobs among working residents are in management; sales; and business and finance. 16% of them are self-employed (U.S.: 10%). 24% of households speak a language other than English at home, most often another Indo-European language such as French, German, Russian or Hindi.

How 06870 compares

Sorted from highest to lowest national percentile

Median household income$250,000+
99th
StrengthU.S. $80,734 · CT $95,7815th of 267 in CT
Per capita income$144,459
99th
StrengthU.S. $44,673 · CT $55,9154th of 277 in CT
Median home value$1,788,700
99th
U.S. $332,700 · CT $366,9003rd of 267 in CT
Median gross rent$3,500+
99th
U.S. $1,413 · CT $1,4884th of 247 in CT
Bachelor's degree or higher85.4%
99th
StrengthU.S. 35.7% · CT 42.5%4th of 277 in CT
Median earnings per worker$142,411
99th
StrengthU.S. $49,666 · CT $57,7397th of 275 in CT
Residents under 1832.1%
98th
U.S. 22% · CT 20.2%7th of 277 in CT
Work from home32.6%
96th
U.S. 15.1% · CT 16%18th of 276 in CT
Broadband access97.4%
95th
StrengthU.S. 91% · CT 92.2%49th of 275 in CT
Self-employed workers16.2%
93rd
U.S. 10% · CT 9.9%46th of 276 in CT
Income inequality (Gini)0.518
93rd
WeaknessU.S. 0.483 · CT 0.49925th of 274 in CT
Homeownership rate83.9%
87th
StrengthU.S. 65.2% · CT 66.5%96th of 275 in CT
Average commute32.8 min
86th
WeaknessU.S. 26.4 min · CT 26.5 min39th of 268 in CT
Foreign-born residents20.2%
75th
U.S. 14.1% · CT 15.7%40th of 277 in CT
Population density3,469/sq mi
71st
U.S. 95/sq mi · CT 749/sq mi40th of 277 in CT
Tech workers3.6%
62nd
U.S. 3.8% · CT 3.6%111th of 276 in CT
Rent-burdened renters52.7%
58th
U.S. 51.1% · CT 52.6%113th of 267 in CT
Median age40
57th
U.S. 38.9 · CT 41.1201st of 277 in CT
Housing vacancy5.7%
41st
U.S. 10.1% · CT 7%146th of 275 in CT
Diversity index41.7
38th
U.S. 61.4 · CT 57108th of 277 in CT
Unemployment rate4.2%
37th
U.S. 5.2% · CT 5.6%152nd of 276 in CT
Residents 65 and older14.2%
32nd
U.S. 17.2% · CT 18.5%238th of 277 in CT
Population7,864
12th
U.S. 334,922,499 · CT 3,624,508148th of 277 in CT
Healthcare workers6%
8th
U.S. 9.7% · CT 10.4%242nd of 276 in CT
Veterans1.9%
6th
U.S. 6.2% · CT 4.7%251st of 277 in CT
Uninsured rate2%
5th
StrengthU.S. 8.4% · CT 5.4%201st of 276 in CT
Poverty rate3.4%
4th
StrengthU.S. 12.5% · CT 10%221st of 276 in CT
Government workers6.6%
3rd
U.S. 14.5% · CT 13.1%252nd of 276 in CT

Measure	06870	CT	U.S.	National percentile	Rank in CT
Median household incomeStrength	$250,000+	$95,781	$80,734	99th	5th of 267
Per capita incomeStrength	$144,459	$55,915	$44,673	99th	4th of 277
Median home value	$1,788,700	$366,900	$332,700	99th	3rd of 267
Median gross rent	$3,500+	$1,488	$1,413	99th	4th of 247
Bachelor's degree or higherStrength	85.4%	42.5%	35.7%	99th	4th of 277
Median earnings per workerStrength	$142,411	$57,739	$49,666	99th	7th of 275
Residents under 18	32.1%	20.2%	22%	98th	7th of 277
Work from home	32.6%	16%	15.1%	96th	18th of 276
Broadband accessStrength	97.4%	92.2%	91%	95th	49th of 275
Self-employed workers	16.2%	9.9%	10%	93rd	46th of 276
Income inequality (Gini)Weakness	0.518	0.499	0.483	93rd	25th of 274
Homeownership rateStrength	83.9%	66.5%	65.2%	87th	96th of 275
Average commuteWeakness	32.8 min	26.5 min	26.4 min	86th	39th of 268
Foreign-born residents	20.2%	15.7%	14.1%	75th	40th of 277
Population density	3,469/sq mi	749/sq mi	95/sq mi	71st	40th of 277
Tech workers	3.6%	3.6%	3.8%	62nd	111th of 276
Rent-burdened renters	52.7%	52.6%	51.1%	58th	113th of 267
Median age	40	41.1	38.9	57th	201st of 277
Housing vacancy	5.7%	7%	10.1%	41st	146th of 275
Diversity index	41.7	57	61.4	38th	108th of 277
Unemployment rate	4.2%	5.6%	5.2%	37th	152nd of 276
Residents 65 and older	14.2%	18.5%	17.2%	32nd	238th of 277
Population	7,864	3,624,508	334,922,499	12th	148th of 277
Healthcare workers	6%	10.4%	9.7%	8th	242nd of 276
Veterans	1.9%	4.7%	6.2%	6th	251st of 277
Uninsured rateStrength	2%	5.4%	8.4%	5th	201st of 276
Poverty rateStrength	3.4%	10%	12.5%	4th	221st of 276
Government workers	6.6%	13.1%	14.5%	3rd	252nd 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

10%

Under 5

23%

5–17

18–24

25–34

19%

35–44

12%

45–54

14%

55–64

65–74

75+

Median age

Under 18

32.1%

65 and over

14.2%

Race and ethnicity

White75%
Black0.9%
Hispanic7%
Asian10%
Native American0%
Pacific Islander0%
Other0.2%
Multiracial7%

Diversity index

41.7

U.S. 61.4

Foreign-born

20.2%

U.S. 14.1%

Born in state

34.6%

Language spoken at home (households)

English only

76%

Spanish

Other Indo-European

11%

Asian / Pacific

Other

Households

Households: 2,756
Average household size: 2.9
Family households: 74.3%
Married couples: 65.2%
Living alone: 21.1%
Veterans (of adults): 1.9%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

$100–150k

10%

$150–200k

$200k+

60%

Median household income

06870

$250,000+

Connecticut

$95,781

United States

$80,734

Per capita income

$144,459

U.S. $44,673

Poverty rate

3.4%

U.S. 12.5%

Households earning $150K+

65.6%

U.S. 23%

Income inequality (Gini)

0.518

U.S. 0.483

Housing

Median home value

06870

$1,788,700

Connecticut

$366,900

United States

$332,700

Median gross rent

06870

$3,500+

Connecticut

$1,488

United States

$1,413

Types of housing

Single-family

83%

2–4 units

5–19 units

20+ units

12%

Mobile home

Boat, RV, van

Housing units: 2,922
Owner-occupied: 83.9%
Vacant: 5.7%
Median year built: 1968
Median rooms: 8
Renters paying 30%+ of income: 52.7%
Renters paying 50%+ of income: 34%
Home value to income: 7.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

43%

Carpooled

Transit

16%

Walked

Bicycle

0.2%

Worked from home

33%

Other

Commute time (one way)

<10 min

16%

10–19

33%

20–29

10%

30–44

10%

45–59

60+

24%

Average commute

32.8 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

29%

Sales

16%

Business and finance

16%

Arts, media and sports

Education

Healthcare

Legal and social services

Computer and math

Transportation and moving

Engineering and science

Production

Office and admin

Construction and repair

0.9%

Cleaning and personal care

0.8%

Police and fire

0.3%

Food service

Farming, fishing and forestry

Industries

Finance, insurance and real estate

29%

Professional and technical services

18%

Health care and social assistance

Manufacturing

Education

Information

Arts and recreation

Retail

Transportation, warehousing and utilities

Public administration

Admin, support and management

Construction

Other services

Wholesale

0.8%

Restaurants and hotels

0.6%

Agriculture and mining

Median earnings per worker

$142,411

U.S. $49,666

Self-employed

16.2%

U.S. 10%

Government workers

6.6%

U.S. 14.5%

Nonprofit workers

5.8%

U.S. 8.8%

Median earnings by type of work

Type of work	06870	U.S.
Management, business, science and arts	$149,821	$74,888
Service	$43,333	$26,804
Sales and office	$216,958	$40,476
Construction and maintenance	$75,078	$49,199
Production and transportation	$4,306	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

0.9%

High school

Some college

Associate's

Bachelor's

46%

Graduate

39%

High school graduate or higher: 99.1%
Bachelor's degree or higher: 85.4%
Graduate or professional degree: 39.3%
Households with broadband: 97.4%
Cable, fiber or DSL: 92.2%
No internet access: 1.9%
Without health insurance: 2%
Limited-English households: 1.2%

Geography

City (USPS): Old Greenwich
State: Connecticut
Center point: 41.0245° N, 73.5712° W
Land area: 2.3 sq mi
Water area: 1.5 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Old Greenwich (unincorporated)87% of zip
Riverside (unincorporated)2% of zip

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

Zip codes near 06870

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
06878	Riverside, CT	0.8 mi	8,328	$250,000+	$1,968,800
06910	Stamford, CT · PO box	1.2 mi	—	—	—
06926	Stamford, CT · PO box	2.1 mi	—	—	—
06807	Cos Cob, CT	2.5 mi	7,650	$192,115	$1,443,200
06921	Stamford, CT · PO box	2.5 mi	—	—	—
06901	Stamford, CT	2.6 mi	11,037	$102,641	$478,700
06904	Stamford, CT · PO box	2.6 mi	—	—	—
06911	Stamford, CT · PO box	2.6 mi	—	—	—
06912	Stamford, CT · PO box	2.6 mi	—	—	—
06913	Stamford, CT · PO box	2.6 mi	—	—	—
06914	Stamford, CT · PO box	2.6 mi	—	—	—
06920	Stamford, CT · PO box	2.6 mi	—	—	—

Zip codes like 06870 elsewhere

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

Questions about 06870

What city is zip code 06870?

06870 is assigned to Old Greenwich, Connecticut. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What is the population of 06870?

About 7,864 people live in 06870, according to the Census Bureau's American Community Survey.

What time zone is 06870 in?

06870 is in Eastern Time.

What is the median household income in 06870?

The median household income in 06870 is $250,000+.

What zip codes are near 06870?

The closest zip codes to 06870 are 06878, 06910, 06926, 06807, 06921.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 06870, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.