Main facts about zip code 01821.
| Continent: | North America |
| Country: | USA |
| State: | Massachusetts |
| County: | Middlesex County |
| Primary City: | Billerica |
| 01821 | |
| Billerica |
| Zip Type: | STANDARD |
| Decommissioned: | No |
| Time Zone: | America/New_York |
| Area Land: | 42,910,631 |
| Area Codes: | 508,978 |
Detailed statistics information for zip code 01821 including housing count, population earnings , household income, rent statistics and home value data.
| Area: | 43,936,785 |
| Housing Count: | 11,159 |
| Population In Poverty: | 6 % |
| Median Earnings Past Year: | 43,979 $ |
| Median Household Income: | 87,996 $ |
| Median Gross Rent: | 1,246 $ |
| Median Home Value: | 338,000 $ |
What percent of the zip code 01821 do you think is covered with water ? Total Land and water area measurements and water to land ratio for the zip code 01821: land - 97.66%, water - 2.34%
Housholds statistics for zip code 01821
View zip code 01821 location information on the map.