The population of the Saginaw Township South CDP was 24,994 at the 2000 census.

According to the United States Census Bureau, the CDP has a total area of 13.5 square miles (35 km2), all land.

As of the census[1] of 2000, there were 24,994 people, 10,704 households, and 6,572 families residing in the CDP.

There were 11,209 housing units at an average density of 830.3 per square mile (320.6/km2).

32.4% of all households were made up of individuals, and 15.3% had someone living alone who was 65 years of age or older.