ZIP Code 06840
| ZIP Code | 06840 | 
| City | NEW CANAAN | 
| State | CT | 
| Type | STANDARD | 
| Post offices count | 2 (see all) | 
| Total population | 20,672 (see all) | 
Cities in ZIP Code 06840
Primary city: NEW CANAAN, CTPost offices
| NEW CANAAN — Post Office™ 18 LOCUST AVE NEW CANAAN, CT 06840-4762 MoreNEW CANAAN — Post Office™18 LOCUST AVE For facility accessibility, please call the Post Office. 1-800-ASK-USPS® (800-275-8777) Hours
 Services at this Location Service hours may vary.
 | 
| CAMP AVENUE — Post Office™ 24 CAMP AVE STAMFORD, CT 06907-9992 MoreCAMP AVENUE — Post Office™24 CAMP AVE For facility accessibility, please call the Post Office. 1-800-ASK-USPS® (800-275-8777) Hours
 Services at this Location Service hours may vary.
 | 
Map
Census data for ZIP Code 06840
Demographic and housing estimates in ZIP Code 06840
| Total population | 20,672 | 
| Male | 9,364 | 
| Female | 11,308 | 
| Total population | 20,672 | 
| Under 5 years | 1,094 | 
| 5 to 9 years | 1,639 | 
| 10 to 14 years | 1,910 | 
| 15 to 19 years | 2,030 | 
| 20 to 24 years | 1,031 | 
| 25 to 34 years | 985 | 
| 35 to 44 years | 2,358 | 
| 45 to 54 years | 3,299 | 
| 55 to 59 years | 1,811 | 
| 60 to 64 years | 1,459 | 
| 65 to 74 years | 1,677 | 
| 75 to 84 years | 866 | 
| 85 years and over | 513 | 
| Median age (years) | 42.4 | 
| Under 18 years | 5,914 | 
| 16 years and over | 15,420 | 
| 18 years and over | 14,758 | 
| 21 years and over | 13,835 | 
| 62 years and over | 3,885 | 
| 65 years and over | 3,056 | 
| Total population | 20,672 | 
| One race | 19,762 | 
| White | 18,260 | 
| Black or African American | 143 | 
| American Indian and Alaska Native | 6 | 
| Asian | 1,348 | 
| Native Hawaiian and Other Pacific Islander | 0 | 
| Some other race | 5 | 
| Two or more races | 910 | 
| Citizen, VOTING AGE 18 and over population | 13,839 | 
| Male Citizen, VOTING AGE 18 and over population | 6,083 | 
| Female Citizen, VOTING AGE 18 and over population | 7,756 | 
Social characteristics in ZIP Code 06840
| Total households | 6,937 | 
| Family households (families) | 4,701 | 
| Married-couple family | 128 | 
| Male householder, no wife present, family | 560 | 
| Female householder, no husband present, family | 312 | 
| Nonfamily households | 1,548 | 
| Average household size | 2,249 | 
| Average family size | 2.97 | 
Economic characteristics in ZIP Code 06840
| Total households | 6,937 | 
| Less than $10,000 | 92 | 
| $10,000 to $14,999 | 103 | 
| $15,000 to $24,999 | 93 | 
| $25,000 to $34,999 | 181 | 
| $35,000 to $49,999 | 228 | 
| $50,000 to $74,999 | 656 | 
| $75,000 to $99,999 | 291 | 
| $100,000 to $149,999 | 884 | 
| $150,000 to $199,999 | 735 | 
| $200,000 or more | 3,674 | 
| Median household income (dollars) | 215,297 | 
Housing characteristics in ZIP Code 06840
| Total housing units | 7,454 | 
| Occupied housing units | 6,937 | 
| Vacant housing units | 517 | 
| Total housing units | 7,454 | 
| 1-unit, detached | 5,401 | 
| 1-unit, attached | 783 | 
| 2 units | 344 | 
| 3 or 4 units | 333 | 
| 5 to 9 units | 250 | 
| 10 to 19 units | 170 | 
| 20 or more units | 157 | 
| Mobile home | 7 | 
| Boat, RV, van, etc. | 9 | 
| Total housing units | 7,454 | 
| Built 2014 or later | 0 | 
| Built 2010 to 2013 | 407 | 
| Built 2000 to 2009 | 932 | 
| Built 1990 to 1999 | 548 | 
| Built 1980 to 1989 | 562 | 
| Built 1970 to 1979 | 704 | 
| Built 1960 to 1969 | 1,398 | 
| Built 1950 to 1959 | 1,107 | 
| Built 1940 to 1949 | 430 | 
| Built 1939 or earlier | 1,366 | 
| Total housing units | 7,454 | 
| 1 room | 33 | 
| 2 rooms | 35 | 
| 3 rooms | 183 | 
| 4 rooms | 693 | 
| 5 rooms | 429 | 
| 6 rooms | 675 | 
| 7 rooms | 709 | 
| 8 rooms | 737 | 
| 9 rooms or more | 3,960 | 
| Median rooms | 10.0 | 
| Total housing units | 7,454 | 
| No bedroom | 33 | 
| 1 bedroom | 251 | 
| 2 bedrooms | 926 | 
| 3 bedrooms | 1,783 | 
| 4 bedrooms | 2,391 | 
| 5 or more bedrooms | 2,070 | 
| Occupied housing units | 6,937 | 
| Owner-occupied | 5,639 | 
| Renter-occupied | 1,298 | 
| Average household size of owner-occupied unit | 3.05 | 
| Average household size of renter-occupied unit | 2.59 | 
| Occupied housing units | 6,937 | 
| Moved in 2017 or later | 582 | 
| Moved in 2015 to 2016 | 1,750 | 
| Moved in 2010 to 2014 | 1,329 | 
| Moved in 2000 to 2009 | 1,496 | 
| Moved in 1990 to 1999 | 998 | 
| Moved in 1989 and earlier | 782 | 
| Owner-occupied units | 5,639 | 
| Less than $50,000 | 44 | 
| $50,000 to $99,999 | 0 | 
| $100,000 to $149,999 | 19 | 
| $150,000 to $199,999 | 33 | 
| $200,000 to $299,999 | 102 | 
| $300,000 to $499,999 | 271 | 
| $500,000 to $999,999 | 1,466 | 
| $1,000,000 or more | 3,704 | 
| Median (dollars) | 1,269,400 | 
| Owner-occupied units | 5,639 | 
| Housing units with a mortgage | 3,801 | 
| Housing units without a mortgage | 1,838 | 
| Occupied units paying rent | 1,211 | 
| Less than $500 | 48 | 
| $500 to $999 | 49 | 
| $1,000 to $1,499 | 81 | 
| $1,500 to $1,999 | 112 | 
| $2,000 to $2,499 | 331 | 
| $2,500 to $2,999 | 198 | 
| $3,000 or more | 392 | 
| Median (dollars) | 2,477 | 
| No rent paid | 87 | 
Data is based on 2021 Census