|U.S. Route 340 thru Grottoes|
|• Total||1.3 sq mi (3.4 km2)|
|• Land||1.3 sq mi (3.4 km2)|
|• Water||0.0 sq mi (0.0 km2)|
|Elevation||1,112 ft (339 m)|
|• Density||2,052.3/sq mi (784.7/km2)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|GNIS feature ID||1495628|
The Rockingham County portion of Grottoes is part of the Harrisonburg Metropolitan Statistical Area, while the small portion that extends into Augusta County is part of the Staunton–Waynesboro Micropolitan Statistical Area.
Grottoes is home to the Grand Caverns, America's oldest show cave.
Grottoes is located at (38.267385, -78.824868).
According to the United States Census Bureau, the town has a total area of 1.3 square miles (3.4 km²), all land.
As of the census of 2000, there were 2,114 people, 861 households, and 593 families residing in the town. The population density was 1,590.4 people per square mile (613.7/km²). There were 894 housing units at an average density of 672.6 per square mile (259.5/km²). The racial makeup of the town was 94.94% White, 3.78% African American, 0.19% Native American, 0.24% Asian, 0.09% from other races, and 0.76% from two or more races. Hispanic or Latino of any race were 1.51% of the population.
There were 861 households out of which 36.2% had children under the age of 18 living with them, 53.2% were married couples living together, 11.4% had a female householder with no husband present, and 31.1% were non-families. 27.2% of all households were made up of individuals and 11.7% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.98.
In the town the population was spread out with 27.0% under the age of 18, 7.5% from 18 to 24, 34.0% from 25 to 44, 20.5% from 45 to 64, and 10.9% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 89.8 males. For every 100 females age 18 and over, there were 84.8 males.
The median income for a household in the town was $38,618, and the median income for a family was $46,574. Males had a median income of $32,500 versus $25,500 for females. The per capita income for the town was $17,195. About 5.5% of families and 7.2% of the population were below the poverty line, including 6.0% of those under age 18 and 14.2% of those age 65 or over.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "Grottoes". Geographic Names Information System, U.S. Geological Survey.
- "National Register Information System". National Register of Historic Places. National Park Service. 2010-07-09.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.