ZIP Code 01821
| ZIP Code | 01821 |
| City | BILLERICA |
| State | MA |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 31,499 (see all) |
Cities in ZIP Code 01821
Primary city: BILLERICA, MAPost offices
BILLERICA — Post Office™ 460 BOSTON RD BILLERICA, MA 01821-9998 MoreBILLERICA — Post Office™460 BOSTON 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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Map
Census data for ZIP Code 01821
Demographic and housing estimates in ZIP Code 01821
| Total population | 31,499 |
| Male | 15,633 |
| Female | 15,866 |
| Total population | 31,499 |
| Under 5 years | 1,385 |
| 5 to 9 years | 1,506 |
| 10 to 14 years | 1,811 |
| 15 to 19 years | 1,916 |
| 20 to 24 years | 1,927 |
| 25 to 34 years | 4,147 |
| 35 to 44 years | 4,213 |
| 45 to 54 years | 4,897 |
| 55 to 59 years | 2,547 |
| 60 to 64 years | 2,152 |
| 65 to 74 years | 3,183 |
| 75 to 84 years | 1,423 |
| 85 years and over | 392 |
| Median age (years) | 42.0 |
| Under 18 years | 6,059 |
| 16 years and over | 26,369 |
| 18 years and over | 25,440 |
| 21 years and over | 24,576 |
| 62 years and over | 6,287 |
| 65 years and over | 4,998 |
| Total population | 31,499 |
| One race | 30,605 |
| White | 25,923 |
| Black or African American | 1,740 |
| American Indian and Alaska Native | 0 |
| Asian | 2,580 |
| Native Hawaiian and Other Pacific Islander | 44 |
| Some other race | 318 |
| Two or more races | 894 |
| Citizen, VOTING AGE 18 and over population | 23,184 |
| Male Citizen, VOTING AGE 18 and over population | 11,449 |
| Female Citizen, VOTING AGE 18 and over population | 11,735 |
Social characteristics in ZIP Code 01821
| Total households | 11,664 |
| Family households (families) | 6,960 |
| Married-couple family | 842 |
| Male householder, no wife present, family | 1,649 |
| Female householder, no husband present, family | 736 |
| Nonfamily households | 2,213 |
| Average household size | 3,633 |
| Average family size | 2.70 |
Economic characteristics in ZIP Code 01821
| Total households | 11,664 |
| Less than $10,000 | 191 |
| $10,000 to $14,999 | 201 |
| $15,000 to $24,999 | 534 |
| $25,000 to $34,999 | 310 |
| $35,000 to $49,999 | 572 |
| $50,000 to $74,999 | 1,418 |
| $75,000 to $99,999 | 1,406 |
| $100,000 to $149,999 | 2,961 |
| $150,000 to $199,999 | 2,252 |
| $200,000 or more | 1,819 |
| Median household income (dollars) | 126,146 |
Housing characteristics in ZIP Code 01821
| Total housing units | 11,902 |
| Occupied housing units | 11,664 |
| Vacant housing units | 238 |
| Total housing units | 11,902 |
| 1-unit, detached | 8,787 |
| 1-unit, attached | 759 |
| 2 units | 346 |
| 3 or 4 units | 173 |
| 5 to 9 units | 188 |
| 10 to 19 units | 346 |
| 20 or more units | 1,303 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 11,902 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 445 |
| Built 2000 to 2009 | 1,167 |
| Built 1990 to 1999 | 1,228 |
| Built 1980 to 1989 | 1,067 |
| Built 1970 to 1979 | 2,397 |
| Built 1960 to 1969 | 2,838 |
| Built 1950 to 1959 | 1,361 |
| Built 1940 to 1949 | 186 |
| Built 1939 or earlier | 1,213 |
| Total housing units | 11,902 |
| 1 room | 137 |
| 2 rooms | 231 |
| 3 rooms | 945 |
| 4 rooms | 1,330 |
| 5 rooms | 1,371 |
| 6 rooms | 2,366 |
| 7 rooms | 1,916 |
| 8 rooms | 1,732 |
| 9 rooms or more | 1,874 |
| Median rooms | 6.3 |
| Total housing units | 11,902 |
| No bedroom | 137 |
| 1 bedroom | 899 |
| 2 bedrooms | 2,695 |
| 3 bedrooms | 5,216 |
| 4 bedrooms | 2,433 |
| 5 or more bedrooms | 522 |
| Occupied housing units | 11,664 |
| Owner-occupied | 9,240 |
| Renter-occupied | 2,424 |
| Average household size of owner-occupied unit | 2.87 |
| Average household size of renter-occupied unit | 2.05 |
| Occupied housing units | 11,664 |
| Moved in 2017 or later | 808 |
| Moved in 2015 to 2016 | 2,812 |
| Moved in 2010 to 2014 | 1,434 |
| Moved in 2000 to 2009 | 2,245 |
| Moved in 1990 to 1999 | 2,021 |
| Moved in 1989 and earlier | 2,344 |
| Owner-occupied units | 9,240 |
| Less than $50,000 | 213 |
| $50,000 to $99,999 | 42 |
| $100,000 to $149,999 | 95 |
| $150,000 to $199,999 | 58 |
| $200,000 to $299,999 | 471 |
| $300,000 to $499,999 | 5,523 |
| $500,000 to $999,999 | 2,780 |
| $1,000,000 or more | 58 |
| Median (dollars) | 444,300 |
| Owner-occupied units | 9,240 |
| Housing units with a mortgage | 6,618 |
| Housing units without a mortgage | 2,622 |
| Occupied units paying rent | 2,279 |
| Less than $500 | 78 |
| $500 to $999 | 92 |
| $1,000 to $1,499 | 497 |
| $1,500 to $1,999 | 835 |
| $2,000 to $2,499 | 547 |
| $2,500 to $2,999 | 179 |
| $3,000 or more | 51 |
| Median (dollars) | 1,783 |
| No rent paid | 145 |
Data is based on 2021 Census