document.write("Census Block Group 316500-1 in Middlesex County, Massachusetts - Fast Facts and Rank
| Population | 1,557 (2010), see rank |
| House Units | 572, see rank |
| Race | Whites:91%, Hispanics:4.4%, Blacks:1.9%, Asians:3.7%, Others:3.3% |
| Population Density: | 1,155.42/sq mi, see rank |
| Median Household Income: | $112,019, see rank |
| Median House Price: | $356,500, see rank |
| Time Zone: | Eastern GMT -5:00 with Daylight Saving in the Summer |
| Land Area: | 1.29 sq mi, see rank |
| Water Area: | 0.05 sq mi (3.94%), see rank |
| State: | Massachusetts |
| Area: | Boston-Cambridge-Quincy, MA-NH |
| County: | Middlesex County |
| City: | North Billerica |
| Census Tract: | 316500 |
| School District: | Billerica School District ![](\"http://www.usa.com/img/s6.gif\") |
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