Mount Pleasant Mills is a census-designated place (CDP) in Snyder County, Pennsylvania, United States.

[3] According to the United States Census Bureau, the CDP has a total area of 1.5 square miles (3.9 km2), all land.

As of the census[5] of 2000, there were 342 people, 141 households, and 93 families residing in the CDP.

There were 152 housing units at an average density of 100.4 per square mile (38.8/km2).

29.8% of all households were made up of individuals, and 14.9% had someone living alone who was 65 years of age or older.