Old Greenwich, CT ZIP Code, Map and Demographics

ZIP Code	Type	PopulationPop	% of Population% of Pop	Alias Names
06870	Standard	7,720	100.00%

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Population & Demographics

Old Greenwich, CT has 7,903 residents, with an average household size of 3.0. The gender split is 47.9% male and 52.1% female - about the same as the national split. By age, the top brackets are 30-34 (9.5%) and 35-39 (4.6%). By race, White and Some Other Race are the largest groups. Hispanic or Latino (of any race) is 7.6%. Those born outside the United States make up 19.3% (higher than the Nation).

Explore More:Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.

There are two kinds of demographics shown in the charts for Old Greenwich, CT. Each covers a different geographic boundary and has different criteria for what is included. Learn More

Total Population:	7,720
Total Households:	2,634
Total Housing Units:	2,801
Average Household Size:	2.92
Average Family Size:	2.54

All ZIP Codes assigned this City name by the USPS.

Total Population:	6,962
Total Households:	2,285
Total Housing Units:	2,440
Average Household Size:	3.03
Average Family Size:	2.54

Data for the U.S. Census Place.

Population Over Time (with 2010 & 2020 Census Benchmarks)

Line chart of All ZIPs in Old Greenwich, CT population estimates from 2011-2024, with markers for the 2010 and 2020 Decennial Census counts to show growth or decline over time. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2010	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
Census ACS Population Estimate	--	7,143	7,268	7,179	7,071	7,386	7,662	7,518	7,506	7,642	7,831	7,907	8,096	7,903
Decennial Census	7,316	--	--	--	--	--	--	--	--	--	7,720	--	--	--

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)

Median Age: 41.7

Male Median Age: 40.9

Female Median Age: 42.2

Line Chart showing the population by Age Group and Gender of all ZIPs in Old Greenwich, Connecticut. One line shows the Total population in that age group, another line shows the Male population for that age group, and the last line shows the Female population for the given age group. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	< 5	5-9	10-14	15-19	20-24	25-29	30-34	35-39	40-44	45-49	50-54	55-59	60-64	65-69	70-74	75-79	80-84	85+
Male	227	338	395	271	175	102	110	190	265	306	307	297	227	198	110	97	70	62
Female	223	324	374	307	192	93	107	231	289	317	346	305	266	203	157	80	81	78
Total	450	662	769	578	367	195	217	421	554	623	653	602	493	401	267	177	151	140

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Pie Chart & Table (ZIPs)Comparison Chart Pie Chart & Table (Place)

Population by Race

Pie Chart showing Population by Race for all ZIPs in Old Greenwich, Connecticut. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

White:	6,126	81.98%
Black:	61	0.82%
Hispanic:*	543	7.27%
Asian:	610	8.16%
American Indian:	11	0.15%
Hawaiian:	0	0%
Other:	122	1.63%
Total:	7,473	100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Pie Chart & Table (ZIPs)Comparison Chart Pie Chart & Table (Place)

Gender Breakdown

Pie chart showing Male vs Demale share of the population. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Gender	Count	Percentage	Median Age
Males:	3,747	48.54%	40.9 years
Females:	3,973	51.46%	42.2 years
Total:	7,720	100%	41.7 years

All ZIP Codes assigned this City name by the USPS.

Pie Chart showing population of Males vs Females for the U.S. Census Place. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Gender	Count	Percentage	Median Age
Males:	3,406	48.92%	40.3 years
Females:	3,556	51.08%	41.8 years
Total:	6,962	100%	40.9 years

Data for the U.S. Census Place.

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Pie Chart & Table (ZIPs)Pie Chart & Table (Place)

Nativity & Citizenship

Pie chart showing Nativity/Citizenship for all ZIPs in Old Greenwich, CT. Categories include native residents (born in the United States, Puerto Rico, U.S. Island Areas, or abroad to American parents) and foreign-born residents. A table below lists counts and percentages. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Native, born in the United States:	5,990	75.79%
Native, born in PR, Island Areas, or abroad:	287	3.63%
Foreign born, naturalized U.S. citizen:	720	9.11%
Foreign born, not a U.S. citizen:	906	20.57%
Total Population:	7,903	100%
Total Native Population:	6,277	79.43%
Total Foreign-born Population:	1,626	20.57%

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment

ZIP Codes in Old Greenwich, CT have an average household income of $227,727 (much higher than the State by 142.9%, and much higher than the Nation by 190.0%). Family vs nonfamily earnings show a significant gap ($250,001 vs $73,182). Employment participation is lower than the Nation (63.3%). The unemployment rate is 4.7%, which is lower than the Nation (5.2%).

Explore More:Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)

Line Chart showing Median Income Estimates from 2011 until 2024 of Median Household Income, Median Family Income, Median Nonfamily Income, Median Male Income, and Median Female Income for all ZIPs in Old Greenwich, Connecticut. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Income Type	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
Median Household Income	$191,705	$188,438	$176,169	$190,208	$191,176	$209,375	$217,361	$220,642	$215,850	$217,778	$222,649	$215,000	$227,727
Median Family Income	$250,001	$234,141	$240,469	$250,001	$230,577	$248,445	$250,001	$250,001	$250,001	$250,001	$250,001	$250,001	$250,001
Median NonFamily Income	$71,458	$52,708	$53,500	$51,290	$50,714	$51,417	$54,063	$72,083	$79,427	$80,949	$83,364	$89,135	$73,182
Median Male Income	$232,097	$221,375	$219,375	$209,276	$201,481	$203,510	$207,900	$209,500	$208,281	$216,982	$222,917	$231,324	$241,932
Median Female Income	$82,132	$95,114	$103,500	$103,906	$90,515	$92,955	$94,327	$94,722	$96,078	$106,971	$115,101	$115,268	$122,782

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income

Bar Chart showing Average Household Income for all ZIPs in Old Greenwich, CT, the U.S. Census Place, Western Ct Planning Region, the state of Connecticut, and the United States National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Source: U.S. Census 2019-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Pie Chart & Table (ZIPs)Comparison Chart Pie Chart & Table (Place)

Employment Status

Employment status for all ZIPs in Old Greenwich, CT: employed, unemployed, and not in the labor force. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Employed:	3,354	60.71%
Unemployed:	148	2.68%
Not In Labor Force:	2,023	36.62%
Total:	5,525	100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Pie Chart & Table (ZIPs)Pie Chart & Table (Place)

Employment by Occupation (Civilian Employed Population, 16 and Over)

Donut Chart showing the distribution of employed civilians aged 16 and over by occupation category: management, service, sales and office, natural resources and construction, and production and transportation. A table with the same data and percentages is provided as well.Load Chart Manually (if needed)

Management, business, science, and arts:	2,413	71.94%
Service:	163	4.86%
Sales and Office:	660	19.68%
Natural resources, construction, and maintenance:	40	1.19%
Production, transportation, and material moving:	78	2.33%
Total Civilian Employed Population:	3,354	100%

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability

In Old Greenwich, CT, the median home value is $1,579,200 - much higher than the State by 360.1%, and up $93,900 (6.3%) since 2020. Renters pay an average of $3,501 per month - much higher than the State by 144.7%, and up $1,302 (59.2%) since 2020. Most renters in Old Greenwich pay $2,000+ (88.8%). About 9.5% pay under $1,000 and 88.8% pay $2,000+; the under $1,000 share is much lower than the Nation. Of occupied housing, owners make up 85.4% (68.4% have a mortgage) and renters make up 14.6% - owners are much higher than the Nation.

Explore More:Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)

Bar Chart showing median House Value for all ZIPs in Old Greenwich, Connecticut, the U.S. Census Place, Western Ct Planning Region, Connecticut, and the United States National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Median Home Value Over Time (2011-2024)

Line chart showing median home values for ZIP across years 2011-2024 using ACS 5-year estimates. The chart displays the typical dollar value of owner-occupied housing units. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
Median Home Value	$1,000,001	$1,000,001	$1,000,001	$1,000,001	$1,368,000	$1,413,900	$1,385,400	$1,458,300	$1,448,700	$1,485,300	$1,372,000	$1,566,400	$1,579,200

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Pie Chart & Table (ZIPs)Pie Chart & Table (Place)

Gross Rent Paid

Pie Chart showing Gross Rent Paid by renters for all ZIPs in Old Greenwich, CT. A table also provides the same information. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Less than $500:	12	2.47%
$500 to $999:	16	3.30%
$1,000 to $1,499:	37	7.63%
$1,500 to $1,999:	5	1.03%
$2,000 to $2,499:	68	14.02%
$2,500 to $2,999:	54	11.13%
$3,000 or more:	250	51.55%
No Rent:	43	8.87%
Total:	485	100%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time (2011-2024)

Line chart displaying median gross rent for ZIP over the years 2011-2024 using ACS 5-year estimates. The chart represents typical monthly housing costs for renter households. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
Median Rent	$2,001	$2,001	$1,930	$1,977	$2,369	$2,390	$2,328	$2,430	$2,170	$2,199	$2,271	$3,501	$3,501

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Pie Chart & Table (ZIPs)Pie Chart & Table (Place)

Housing Occupancy

Pie chart showing housing occupancy for in Old Greenwich, CT. Categories include owner-occupied units with a mortgage, owner-occupied units free and clear, and renter-occupied units. A table below lists counts and percentages. Vacant housing units are shown separately in the Vacancy table. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Owner Occupied (with mortgage):	1,526	55.98%
Owner Occupied (free and clear, no mortgage):	715	26.23%
Renter Occupied:	485	17.79%
Total Occupied Housing Units:	2,726	100%

Occupied Housing Units:	2,726	94.10%
Vacant Housing Units (not graphed):	171	5.90%
Total Housing Units:	2,897	100%

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community

84.3% of adults (25+) have a bachelor-s degree or higher, well above the state rate (41.9%) and well above the national average (35.0%). High school or higher is 98.8%, which is above the state rate (91.3%). The share of people in poverty is 2.0%, which is below the state rate (6.8%) and below the national rate (8.7%), about the same as 2011 and down 1.7 percentage points from its 2019 pre-pandemic level.

Explore More:Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Pie Chart & Table (ZIPs)Pie Chart & Table (Place)

Educational Attainment of Adults (25 and Older)

Pie chart of educational attainment for adults (25+) for all ZIPs in Old Greenwich, CT, including each level from less than 9th grade to graduate/professional. Summary rows show high school or higher and bachelor's or higher. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Less than 9th grade:	17	0.35%
9th to 12th grade, no diploma:	34	0.71%
High school graduate (includes equivalency):	373	7.77%
Some college, no degree:	259	5.39%
Associate's degree:	121	2.52%
Bachelor's degree:	2,072	43.14%
Graduate or professional degree:	1,927	40.12%
Total:	4,803	100%
High school graduate or higher:	4,752	98.94%
Bachelor's degree or higher:	3,999	83.26%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Pie Chart & Table (ZIPs)Comparison Chart Pie Chart & Table (Place)

Health Insurance Coverage by Type (Private, Public, Uninsured)

Pie chart illustrating health insurance coverage by type for Old Greenwich, CT. Categories include private insurance, public coverage such as Medicare and Medicaid, and individuals with no health insurance. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Private Insurance:	6,841	80.83%
Public Insurance:	1,502	17.75%
No Insurance:	120	1.42%
Total:	8,463	100%
Has Health Insurance:	8,343	98.58%

All ZIP Codes assigned this City name by the USPS.

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)

Line chart displaying the share of families and people in All ZIPs of Old Greenwich CT whose income falls below the federal poverty threshold, using ACS 5-year estimates from 2011 through 2024. The chart shows year-to-year changes in the percentage of people in poverty. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
% of People in Poverty	0.0%	0.0%	2.0%	1.9%	3.1%	3.5%	3.7%	3.1%	3.7%	2.3%	1.6%	1.9%	2.0%

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

Pie Chart & Table (ZIPs)Pie Chart & Table (Place)

School Enrollment by Education Level (Ages 3 and Older)

Pie Chart showing enrollment of residents ages 3 and older in Nursery School or Preschool, Kindergarten, Elementary (grades 1-8), High School (grades 9-12), and College or Graduate School for all ZIPS in Old Greenwich, CT.Load Chart Manually (if needed)

Nursery School, Preschool:	375	14.61%
Kindergarten:	243	9.47%
Elementary school (grades 1-8):	1,133	44.14%
High school (grades 9-12):	597	23.26%
College or graduate school:	219	8.53%
Total:	2,567	100%
Early Childhood:	618	24.07%
K-12 (Primary & Secondary School):	1,973	76.86%

Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

ZIP Code:	06870 (Standard)
Planning Region:	Western Ct Planning Region, CT
Area Codes:	203,475
Time Zone:	Eastern (GMT -05:00)
Local Time:	12:00:00 AM
Population:	6,962 (Census Place) [More Demographics]
Statistical Area:	Bridgeport-Stamford-Danbury, CT [Learn More]
Coordinates:	41.0332, -73.5685
Land Area:	2.27 sq miles (ZIP Code)
Quick Link:	https://www.zip-codes.com/city/ct-old-greenwich.asp

Native, born in the United States:	5,299	76.75%
Native, born in PR, Island Areas, or abroad:	271	3.93%
Foreign born, naturalized U.S. citizen:	551	7.98%
Foreign born, not a U.S. citizen:	783	19.32%
Total Population:	6,904	100%
Total Native Population:	5,570	80.68%
Total Foreign-born Population:	1,334	19.32%

Private Insurance:	6,004	81.17%
Public Insurance:	1,295	17.51%
No Insurance:	98	1.32%
Total:	7,397	100%
Has Health Insurance:	7,299	98.68%

Nursery School, Preschool:	348	15.14%
Kindergarten:	176	7.66%
Elementary school (grades 1-8):	1,081	47.04%
High school (grades 9-12):	533	23.19%
College or graduate school:	160	6.96%
Total:	2,298	100%
Early Childhood:	524	22.80%
K-12 (Primary & Secondary School):	1,790	77.89%

# Residential Mailboxes:	2,795Source: USPS
# Business Mailboxes:	208Source: USPS
Total Delivery Receptacles:	3,211Source: USPS
Single Family Delivery Units:	2,311Source: USPS
Multi Family Delivery Units:	319Source: USPS

The ZIP Code, Map and Demographics of Old Greenwich, CT

06870 is the only ZIP Code for Old Greenwich, CT

Old Greenwich, CT has 1 ZIP Code

Population & Demographics

Population Over Time (with 2010 & 2020 Census Benchmarks)

Population by Age & Gender (Total, Male, Female)

Population by Race

Gender Breakdown

Nativity & Citizenship

Income & Employment

Median Income Over Time (Household, Family, Nonfamily, Male, Female)

Average Household Income

Employment Status

Employment by Occupation (Civilian Employed Population, 16 and Over)

Housing & Affordability

Median Home Value (Comparison)

Median Home Value Over Time (2011-2024)

Gross Rent Paid

Median Gross Rent Over Time (2011-2024)

Housing Occupancy

Education, Health & Community

Educational Attainment of Adults (25 and Older)

Health Insurance Coverage by Type (Private, Public, Uninsured)

Percentage of People in Poverty Over Time (2011-2024)

School Enrollment by Education Level (Ages 3 and Older)

Business & Employment Statistics

Geography, Land Area, and Statistical Classifications

Adjacent & Nearby Cities from Old Greenwich, CT

Sources & References

White:	5,534	82.27%
Black:	69	1.03%
Hispanic:*	484	7.19%
Asian:	519	7.72%
American Indian:	11	0.16%
Hawaiian:	0	0%
Other:	110	1.64%
Total:	6,727	100%

Employed:	2,821	58.73%
Unemployed:	138	2.87%
Not In Labor Force:	1,844	38.39%
Total:	4,803	100%

Management, business, science, and arts:	2,091	74.12%
Service:	29	1.03%
Sales and Office:	603	21.38%
Natural resources, construction, and maintenance:	40	1.42%
Production, transportation, and material moving:	58	2.06%
Total Civilian Employed Population:	2,821	100%

Less than $500:	12	3.56%
$500 to $999:	16	4.75%
$1,000 to $1,499:	0	0.00%
$1,500 to $1,999:	5	1.48%
$2,000 to $2,499:	35	10.39%
$2,500 to $2,999:	54	16.02%
$3,000 or more:	172	51.04%
No Rent:	43	12.76%
Total:	337	100%

Owner Occupied (with mortgage):	1,351	58.46%
Owner Occupied (free and clear, no mortgage):	623	26.96%
Renter Occupied:	337	14.58%
Total Occupied Housing Units:	2,311	100%

Occupied Housing Units:	2,311	93.11%
Vacant Housing Units (not graphed):	171	6.89%
Total Housing Units:	2,482	100%

Less than 9th grade:	17	0.40%
9th to 12th grade, no diploma:	34	0.81%
High school graduate (includes equivalency):	277	6.59%
Some college, no degree:	220	5.24%
Associate's degree:	112	2.67%
Bachelor's degree:	1,837	43.73%
Graduate or professional degree:	1,704	40.56%
Total:	4,201	100%
High school graduate or higher:	4,150	98.79%
Bachelor's degree or higher:	3,541	84.29%

# of Businesses:	242Source: CBP
1st Quarter Payroll:	$154,888,000Source: CBP
Annual Payroll:	$448,441,000Source: CBP
# of Employees:	2,476Source: CBP

CBSA Name:	Bridgeport-Stamford-Danbury, CTSource: Census
CBSA Number:	14860Source: Census
CBSA Type:	MetroSource: Census
CBSA Division:	--Source: Census
CBSA Population:	947,528Source: Census
MSA:	New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census
PMSA:	Stamford-Norwalk, CT PMSASource: Census

Land Area:	2.267 sq miSource: Census
Water Area:	1.483 sq miSource: Census
Congressional District(s):	04Source: USPS
Intro Date:	< 2004-10Source: ZIP-Codes.com
Place FIPS Code:	56900Source: Census
Place Name:	Old Greenwich CDP; ConnecticutSource: Census