ZIP Code 06820
| ZIP Code | 06820 | 
| City | DARIEN | 
| State | CT | 
| Type | STANDARD | 
| Post offices count | 2 (see all) | 
| Total population | 21,485 (see all) | 
Cities in ZIP Code 06820
Primary city: DARIEN, CTUnacceptable: NOROTON, NOROTON HEIGHTS, TOKENEKE
Post offices
| DARIEN — Post Office™ 30 CORBIN DR DARIEN, CT 06820-9998 MoreDARIEN — Post Office™30 CORBIN DR 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 06820
Demographic and housing estimates in ZIP Code 06820
| Total population | 21,485 | 
| Male | 10,663 | 
| Female | 10,822 | 
| Total population | 21,485 | 
| Under 5 years | 1,377 | 
| 5 to 9 years | 1,988 | 
| 10 to 14 years | 2,240 | 
| 15 to 19 years | 1,824 | 
| 20 to 24 years | 884 | 
| 25 to 34 years | 1,141 | 
| 35 to 44 years | 2,959 | 
| 45 to 54 years | 3,528 | 
| 55 to 59 years | 1,328 | 
| 60 to 64 years | 1,367 | 
| 65 to 74 years | 1,653 | 
| 75 to 84 years | 667 | 
| 85 years and over | 529 | 
| Median age (years) | 39.9 | 
| Under 18 years | 6,873 | 
| 16 years and over | 15,419 | 
| 18 years and over | 14,612 | 
| 21 years and over | 13,879 | 
| 62 years and over | 3,545 | 
| 65 years and over | 2,849 | 
| Total population | 21,485 | 
| One race | 20,525 | 
| White | 18,785 | 
| Black or African American | 178 | 
| American Indian and Alaska Native | 8 | 
| Asian | 1,313 | 
| Native Hawaiian and Other Pacific Islander | 0 | 
| Some other race | 241 | 
| Two or more races | 960 | 
| Citizen, VOTING AGE 18 and over population | 13,782 | 
| Male Citizen, VOTING AGE 18 and over population | 6,609 | 
| Female Citizen, VOTING AGE 18 and over population | 7,173 | 
Social characteristics in ZIP Code 06820
| Total households | 6,978 | 
| Family households (families) | 5,079 | 
| Married-couple family | 64 | 
| Male householder, no wife present, family | 452 | 
| Female householder, no husband present, family | 362 | 
| Nonfamily households | 1,383 | 
| Average household size | 1,953 | 
| Average family size | 3.07 | 
Economic characteristics in ZIP Code 06820
| Total households | 6,978 | 
| Less than $10,000 | 191 | 
| $10,000 to $14,999 | 147 | 
| $15,000 to $24,999 | 168 | 
| $25,000 to $34,999 | 110 | 
| $35,000 to $49,999 | 201 | 
| $50,000 to $74,999 | 359 | 
| $75,000 to $99,999 | 222 | 
| $100,000 to $149,999 | 629 | 
| $150,000 to $199,999 | 502 | 
| $200,000 or more | 4,449 | 
| Median household income (dollars) | 250,001 | 
Housing characteristics in ZIP Code 06820
| Total housing units | 7,382 | 
| Occupied housing units | 6,978 | 
| Vacant housing units | 404 | 
| Total housing units | 7,382 | 
| 1-unit, detached | 6,495 | 
| 1-unit, attached | 198 | 
| 2 units | 116 | 
| 3 or 4 units | 149 | 
| 5 to 9 units | 259 | 
| 10 to 19 units | 32 | 
| 20 or more units | 133 | 
| Mobile home | 0 | 
| Boat, RV, van, etc. | 0 | 
| Total housing units | 7,382 | 
| Built 2014 or later | 9 | 
| Built 2010 to 2013 | 531 | 
| Built 2000 to 2009 | 659 | 
| Built 1990 to 1999 | 400 | 
| Built 1980 to 1989 | 432 | 
| Built 1970 to 1979 | 367 | 
| Built 1960 to 1969 | 655 | 
| Built 1950 to 1959 | 1,423 | 
| Built 1940 to 1949 | 681 | 
| Built 1939 or earlier | 2,225 | 
| Total housing units | 7,382 | 
| 1 room | 123 | 
| 2 rooms | 162 | 
| 3 rooms | 215 | 
| 4 rooms | 243 | 
| 5 rooms | 288 | 
| 6 rooms | 567 | 
| 7 rooms | 940 | 
| 8 rooms | 1,017 | 
| 9 rooms or more | 3,827 | 
| Median rooms | 10.0 | 
| Total housing units | 7,382 | 
| No bedroom | 123 | 
| 1 bedroom | 372 | 
| 2 bedrooms | 517 | 
| 3 bedrooms | 1,620 | 
| 4 bedrooms | 2,588 | 
| 5 or more bedrooms | 2,162 | 
| Occupied housing units | 6,978 | 
| Owner-occupied | 6,004 | 
| Renter-occupied | 974 | 
| Average household size of owner-occupied unit | 3.22 | 
| Average household size of renter-occupied unit | 2.16 | 
| Occupied housing units | 6,978 | 
| Moved in 2017 or later | 516 | 
| Moved in 2015 to 2016 | 1,680 | 
| Moved in 2010 to 2014 | 1,157 | 
| Moved in 2000 to 2009 | 1,603 | 
| Moved in 1990 to 1999 | 1,142 | 
| Moved in 1989 and earlier | 880 | 
| Owner-occupied units | 6,004 | 
| Less than $50,000 | 103 | 
| $50,000 to $99,999 | 14 | 
| $100,000 to $149,999 | 31 | 
| $150,000 to $199,999 | 0 | 
| $200,000 to $299,999 | 37 | 
| $300,000 to $499,999 | 44 | 
| $500,000 to $999,999 | 1,531 | 
| $1,000,000 or more | 4,244 | 
| Median (dollars) | 1,475,400 | 
| Owner-occupied units | 6,004 | 
| Housing units with a mortgage | 4,132 | 
| Housing units without a mortgage | 1,872 | 
| Occupied units paying rent | 940 | 
| Less than $500 | 22 | 
| $500 to $999 | 54 | 
| $1,000 to $1,499 | 114 | 
| $1,500 to $1,999 | 67 | 
| $2,000 to $2,499 | 147 | 
| $2,500 to $2,999 | 59 | 
| $3,000 or more | 477 | 
| Median (dollars) | 3,066 | 
| No rent paid | 34 | 
Data is based on 2021 Census