Many diseases and conditions are spread by not washing hands with soap and clean, running water. If clean, running water is not accessible, as is common in many parts of the world, use soap and available water.
Riverdale covers about three square miles in area. It has one of the highest elevations in New York City, affording it views of the Empire State Building, George Washington Bridge, Hudson River and New Jersey Palisades.
The first post office at Riverdale opened in 1875. The place was originally called Liberty Settlement, but was renamed due to its proximity to the Kings River. Riverdale has a primary school, an elementary school, and a high school. [citation needed] Demographics 2010