OLD GREENWICH, CT ZIP Code
| City | OLD GREENWICH |
| State | Connecticut |
| ZIP Codes count | 1 (see all) |
| Post offices count | 1 (see all) |
| Total population | 6,819 (see all) |
06870
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
List of OLD GREENWICH, CT ZIP Codes
| ZIP | TYPE | POPU |
|---|---|---|
| 06870 | STANDARD | 7,907 |
Post offices
OLD GREENWICH — Post Office™ 36 ARCADIA RD OLD GREENWICH, CT 06870-9203 |
Envelope example
On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:
- Recipient's full name
- Full street address
- City, State, and ZIP Code
Using the same format, write the return address in the top left corner.
Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.
The recipient address information is provided for your reference.
Address example
34 ARBOR LN
OLD GREENWICH CT 06870-1838
OLD GREENWICH CT 06870-1838
10 BOULDER AVE
OLD GREENWICH CT 06870-1420
OLD GREENWICH CT 06870-1420
20 NORTHWAY
OLD GREENWICH CT 06870-2430
OLD GREENWICH CT 06870-2430
9 OLD FARM LN
OLD GREENWICH CT 06870-1021
OLD GREENWICH CT 06870-1021
34 ROOSEVELT AVE
OLD GREENWICH CT 06870-1811
OLD GREENWICH CT 06870-1811
91 W CROSSWAY
OLD GREENWICH CT 06870-2431
OLD GREENWICH CT 06870-2431
Map
Census data for OLD GREENWICH, CT
Demographic and housing estimates in OLD GREENWICH, CT
| Total population | 6,819 |
| Male | 3,331 |
| Female | 3,488 |
| Total population | 6,819 |
| Under 5 years | 382 |
| 5 to 9 years | 796 |
| 10 to 14 years | 770 |
| 15 to 19 years | 369 |
| 20 to 24 years | 219 |
| 25 to 34 years | 375 |
| 35 to 44 years | 1,021 |
| 45 to 54 years | 1,242 |
| 55 to 59 years | 427 |
| 60 to 64 years | 351 |
| 65 to 74 years | 559 |
| 75 to 84 years | 210 |
| 85 years and over | 98 |
| Median age (years) | 41.1 |
| Under 18 years | 2,220 |
| 16 years and over | 4,759 |
| 18 years and over | 4,599 |
| 21 years and over | 4,469 |
| 62 years and over | 1,065 |
| 65 years and over | 867 |
| Total population | 6,819 |
| One race | 6,519 |
| White | 5,884 |
| Black or African American | 34 |
| American Indian and Alaska Native | 0 |
| Asian | 505 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 96 |
| Two or more races | 300 |
| Citizen, VOTING AGE 18 and over population | 3,784 |
| Male Citizen, VOTING AGE 18 and over population | 1,745 |
| Female Citizen, VOTING AGE 18 and over population | 2,039 |
Social characteristics in OLD GREENWICH, CT
| Total households | 2,186 |
| Family households (families) | 1,882 |
| Married-couple family | 1,691 |
| Male householder, no wife present, family | 49 |
| Female householder, no husband present, family | 142 |
| Nonfamily households | 304 |
| Average household size | 3.11 |
| Average family size | 3.39 |
Economic characteristics in OLD GREENWICH, CT
| Total households | 2,186 |
| Less than $10,000 | 61 |
| $10,000 to $14,999 | 38 |
| $15,000 to $24,999 | 37 |
| $25,000 to $34,999 | 33 |
| $35,000 to $49,999 | 87 |
| $50,000 to $74,999 | 79 |
| $75,000 to $99,999 | 115 |
| $100,000 to $149,999 | 243 |
| $150,000 to $199,999 | 168 |
| $200,000 or more | 1,325 |
| Median household income (dollars) | 233,519 |
Housing characteristics in OLD GREENWICH, CT
| Total housing units | 2,320 |
| Occupied housing units | 2,186 |
| Vacant housing units | 134 |
| Total housing units | 2,320 |
| 1-unit, detached | 2,000 |
| 1-unit, attached | 52 |
| 2 units | 56 |
| 3 or 4 units | 14 |
| 5 to 9 units | 15 |
| 10 to 19 units | 17 |
| 20 or more units | 166 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 2,320 |
| Built 2014 or later | 63 |
| Built 2010 to 2013 | 62 |
| Built 2000 to 2009 | 162 |
| Built 1990 to 1999 | 186 |
| Built 1980 to 1989 | 174 |
| Built 1970 to 1979 | 236 |
| Built 1960 to 1969 | 248 |
| Built 1950 to 1959 | 357 |
| Built 1940 to 1949 | 267 |
| Built 1939 or earlier | 565 |
| Total housing units | 2,320 |
| 1 room | 24 |
| 2 rooms | 7 |
| 3 rooms | 86 |
| 4 rooms | 91 |
| 5 rooms | 135 |
| 6 rooms | 306 |
| 7 rooms | 264 |
| 8 rooms | 399 |
| 9 rooms or more | 1,008 |
| Median rooms | 8.1 |
| Total housing units | 2,320 |
| No bedroom | 31 |
| 1 bedroom | 125 |
| 2 bedrooms | 141 |
| 3 bedrooms | 640 |
| 4 bedrooms | 904 |
| 5 or more bedrooms | 479 |
| Occupied housing units | 2,186 |
| Owner-occupied | 1,819 |
| Renter-occupied | 367 |
| Average household size of owner-occupied unit | 3.06 |
| Average household size of renter-occupied unit | 3.40 |
| Occupied housing units | 2,186 |
| Moved in 2017 or later | 114 |
| Moved in 2015 to 2016 | 205 |
| Moved in 2010 to 2014 | 570 |
| Moved in 2000 to 2009 | 526 |
| Moved in 1990 to 1999 | 401 |
| Moved in 1989 and earlier | 370 |
| Owner-occupied units | 1,819 |
| Less than $50,000 | 20 |
| $50,000 to $99,999 | 0 |
| $100,000 to $149,999 | 22 |
| $150,000 to $199,999 | 0 |
| $200,000 to $299,999 | 14 |
| $300,000 to $499,999 | 66 |
| $500,000 to $999,999 | 418 |
| $1,000,000 or more | 1,279 |
| Median (dollars) | 1,493,900 |
| Owner-occupied units | 1,819 |
| Housing units with a mortgage | 1,290 |
| Housing units without a mortgage | 529 |
| Occupied units paying rent | 348 |
| Less than $500 | 0 |
| $500 to $999 | 20 |
| $1,000 to $1,499 | 58 |
| $1,500 to $1,999 | 16 |
| $2,000 to $2,499 | 82 |
| $2,500 to $2,999 | 58 |
| $3,000 or more | 114 |
| Median (dollars) | 2,488 |
| No rent paid | 19 |
Data is based on 2018 Census
ZIP Codes for other locations
State for OLD GREENWICH
Connecticut ZIP CodesOther cities in Connecticut