|— CDP —|
|Fairfax County, Virginia|
|• Total||2.4 sq mi (6.3 km2)|
|• Land||2.4 sq mi (6.3 km2)|
|• Water||0.0 sq mi (0.0 km2)|
|Elevation||371 ft (113 m)|
|• Density||3,000/sq mi ( 1,100/km2)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|GNIS feature ID||1495049|
Mantua is a census-designated place (CDP) in Fairfax County, Virginia, United States. Mantua is a bedroom community serving as a suburb to the Washington, D.C. metropolitan area. Most of the homes in Mantua were built between the 1950s and the 1980s. The population was 7,135 at the 2010 census.
Mantua is located at .(38.852012, -77.257675)
According to the United States Census Bureau, the CDP has a total area of 2.4 square miles (6.3 km²).2.4 square miles (6.3 km²) of it is land and a small river called "Crooks Branch" flows through it.
As of the census of 2000, there were 7,485 people, 2,627 households, and 1,938 families residing in the CDP. The population density was 3,090.4 people per square mile (1,194.2/km²). There were 2,723 housing units at an average density of 1,124.3/sq mi (434.4/km²). The racial makeup of the CDP was 78.78% White, 1.96% African American, 0.41% Native American, 13.61% Asian, 0.04% Pacific Islander, 2.93% from other races, and 2.26% from two or more races. Hispanic or Latino of any race were 6.83% of the population.
There were 2,627 households out of which 35.9% had children under the age of 18 living with them, 64.7% were married couples living together, 6.4% had a female householder with no husband present, and 26.2% were non-families. 21.7% of all households were made up of individuals and 13.7% had someone living alone who was 65 years of age or older. The average household size was 2.70 and the average family size was 3.15.
In the CDP the population was spread out with 24.5% under the age of 18, 5.5% from 18 to 24, 22.2% from 25 to 44, 27.9% from 45 to 64, and 19.8% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 92.6 males. For every 100 females age 18 and over, there were 86.7 males.
The median income for a household in the CDP was $88,367, and the median income for a family was $103,277. Males had a median income of $70,899 versus $45,184 for females. The per capita income for the CDP was $37,672. About 2.3% of families and 3.5% of the population were below the poverty line, including 3.8% of those under age 18 and 3.1% of those age 65 or over.
Primary and secondary schools 
Public schools 
The Mantua/Frost/Woodson School Pyramid is highly desired. Mantua's Principal was awarded the "2010 National Distinguished Principal for Virginia" and Woodson HS is consistently ranked in the U.S. News & World Report's "Top 100 US Public High Schools".
Elementary schools serving Mantua include:
- Mantua Elementary School "Jan-Marie Fernandez, 2010 National Distinguished Principal for Virginia".
- Fairhill Elementary School
Secondary schools serving Mantua include:
In addition, some Mantua students may gain acceptance to Thomas Jefferson High School for Science and Technology.
Private schools 
 Nearby private schools include:
Notable residents 
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "Schools." Mantua.
- "Private/Parochial Schools." Mantua.