ZIP Code 06870
| ZIP Code | 06870 |
| City | OLD GREENWICH |
| State | CT |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 7,907 (see all) |
Cities in ZIP Code 06870
Primary city: OLD GREENWICH, CTPost offices
OLD GREENWICH — Post Office™ 36 ARCADIA RD OLD GREENWICH, CT 06870-9203 MoreOLD GREENWICH — Post Office™36 ARCADIA RD For facility accessibility, please call the Post Office. 1-800-ASK-USPS® (800-275-8777) Hours
Services at this Location Service hours may vary.
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Census data for ZIP Code 06870
Demographic and housing estimates in ZIP Code 06870
| Total population | 7,907 |
| Male | 4,019 |
| Female | 3,888 |
| Total population | 7,907 |
| Under 5 years | 585 |
| 5 to 9 years | 1,024 |
| 10 to 14 years | 758 |
| 15 to 19 years | 508 |
| 20 to 24 years | 281 |
| 25 to 34 years | 161 |
| 35 to 44 years | 1,413 |
| 45 to 54 years | 1,235 |
| 55 to 59 years | 539 |
| 60 to 64 years | 331 |
| 65 to 74 years | 632 |
| 75 to 84 years | 291 |
| 85 years and over | 149 |
| Median age (years) | 40.1 |
| Under 18 years | 2,809 |
| 16 years and over | 5,430 |
| 18 years and over | 5,098 |
| 21 years and over | 4,990 |
| 62 years and over | 1,280 |
| 65 years and over | 1,072 |
| Total population | 7,907 |
| One race | 7,400 |
| White | 6,532 |
| Black or African American | 154 |
| American Indian and Alaska Native | 0 |
| Asian | 606 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 108 |
| Two or more races | 507 |
| Citizen, VOTING AGE 18 and over population | 4,464 |
| Male Citizen, VOTING AGE 18 and over population | 2,193 |
| Female Citizen, VOTING AGE 18 and over population | 2,271 |
Social characteristics in ZIP Code 06870
| Total households | 2,673 |
| Family households (families) | 1,771 |
| Married-couple family | 63 |
| Male householder, no wife present, family | 378 |
| Female householder, no husband present, family | 252 |
| Nonfamily households | 461 |
| Average household size | 731 |
| Average family size | 2.95 |
Economic characteristics in ZIP Code 06870
| Total households | 2,673 |
| Less than $10,000 | 102 |
| $10,000 to $14,999 | 22 |
| $15,000 to $24,999 | 58 |
| $25,000 to $34,999 | 53 |
| $35,000 to $49,999 | 135 |
| $50,000 to $74,999 | 55 |
| $75,000 to $99,999 | 217 |
| $100,000 to $149,999 | 403 |
| $150,000 to $199,999 | 234 |
| $200,000 or more | 1,394 |
| Median household income (dollars) | 222,649 |
Housing characteristics in ZIP Code 06870
| Total housing units | 2,833 |
| Occupied housing units | 2,673 |
| Vacant housing units | 160 |
| Total housing units | 2,833 |
| 1-unit, detached | 2,092 |
| 1-unit, attached | 136 |
| 2 units | 48 |
| 3 or 4 units | 9 |
| 5 to 9 units | 14 |
| 10 to 19 units | 82 |
| 20 or more units | 452 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 2,833 |
| Built 2014 or later | 12 |
| Built 2010 to 2013 | 164 |
| Built 2000 to 2009 | 154 |
| Built 1990 to 1999 | 371 |
| Built 1980 to 1989 | 305 |
| Built 1970 to 1979 | 327 |
| Built 1960 to 1969 | 221 |
| Built 1950 to 1959 | 360 |
| Built 1940 to 1949 | 248 |
| Built 1939 or earlier | 671 |
| Total housing units | 2,833 |
| 1 room | 63 |
| 2 rooms | 57 |
| 3 rooms | 167 |
| 4 rooms | 229 |
| 5 rooms | 184 |
| 6 rooms | 257 |
| 7 rooms | 403 |
| 8 rooms | 394 |
| 9 rooms or more | 1,079 |
| Median rooms | 7.6 |
| Total housing units | 2,833 |
| No bedroom | 77 |
| 1 bedroom | 190 |
| 2 bedrooms | 317 |
| 3 bedrooms | 725 |
| 4 bedrooms | 961 |
| 5 or more bedrooms | 563 |
| Occupied housing units | 2,673 |
| Owner-occupied | 2,071 |
| Renter-occupied | 602 |
| Average household size of owner-occupied unit | 3.02 |
| Average household size of renter-occupied unit | 2.73 |
| Occupied housing units | 2,673 |
| Moved in 2017 or later | 239 |
| Moved in 2015 to 2016 | 599 |
| Moved in 2010 to 2014 | 640 |
| Moved in 2000 to 2009 | 603 |
| Moved in 1990 to 1999 | 244 |
| Moved in 1989 and earlier | 348 |
| Owner-occupied units | 2,071 |
| Less than $50,000 | 14 |
| $50,000 to $99,999 | 0 |
| $100,000 to $149,999 | 11 |
| $150,000 to $199,999 | 0 |
| $200,000 to $299,999 | 71 |
| $300,000 to $499,999 | 79 |
| $500,000 to $999,999 | 366 |
| $1,000,000 or more | 1,530 |
| Median (dollars) | 1,372,000 |
| Owner-occupied units | 2,071 |
| Housing units with a mortgage | 1,439 |
| Housing units without a mortgage | 632 |
| Occupied units paying rent | 563 |
| Less than $500 | 24 |
| $500 to $999 | 63 |
| $1,000 to $1,499 | 92 |
| $1,500 to $1,999 | 64 |
| $2,000 to $2,499 | 71 |
| $2,500 to $2,999 | 40 |
| $3,000 or more | 209 |
| Median (dollars) | 2,271 |
| No rent paid | 39 |
Data is based on 2021 Census