document.write("Census Block Group 440100-4 in Fairfax County, Virginia - Fast Facts and Rank
| Population | 971 (2010), see rank |
| House Units | 339, see rank |
| Race | Whites:75.5%, Hispanics:5%, Blacks:1.5%, Asians:19.2%, Others:3.8% |
| Population Density: | 2,447.22/sq mi, see rank |
| Median Household Income: | $153,828, see rank |
| Median House Price: | $830,000, see rank |
| Time Zone: | Eastern GMT -5:00 with Daylight Saving in the Summer |
| Land Area: | 0.40 sq mi, see rank |
| Water Area: | 0.00 sq mi (0.31%), see rank |
| State: | Virginia |
| Area: | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| County: | Fairfax County |
| City: | Mantua |
| Census Tract: | 440100 |
| School District: | Fairfax County Public Schools ![](\"http://www.usa.com/img/s10.gif\") |
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