Sanatoga is a community and census-designated place (CDP) in Montgomery County, Pennsylvania, United States. It is immediately east of the borough of Pottstown, Pennsylvania on route US 422. The population was 8,378 at the 2010 census.
Sanatoga is located at 40°15′1″N 75°35′20″W (40.250252, -75.588933).
According to the United States Census Bureau, the CDP has a total area of 3.4 square miles (8.8 km2), of which 0.29% is water.
Sanatoga is adjacent to U.S. Route 422.
At the 2000 census there were 7,734 people, 2,734 households, and 2,058 families living in the CDP. The population density was 2,265.7 people per square mile (875.7/km2). There were 2,811 housing units at an average density of 823.5/sq mi (318.3/km2). The racial makeup of the CDP was 85.60% White, 11.46% African American, 0.14% Native American, 0.92% Asian, 0.04% Pacific Islander, 0.32% from other races, and 1.53% from two or more races. Hispanic or Latino of any race were 1.51%.
There were 2,734 households, 42.8% had children under the age of 18 living with them, 57.9% were married couples living together, 13.8% had a female householder with no husband present, and 24.7% were non-families. 20.2% of households were made up of individuals, and 8.2% were one person aged 65 or older.