Mount Pleasant is a very small borough located in the state of Pennsylvania. With a population of 4,184 people and five associated neighborhoods, Mount Pleasant is the 362nd largest community in Pennsylvania.

The percentage of adults in Mount Pleasant who are college-educated is close to the national average for all communities of 21.84%: 17.99% of the adults in Mount Pleasant have a bachelor's degree or advanced degree.

The per capita income in Mount Pleasant in 2022 was $29,568, which is lower middle income relative to Pennsylvania and the nation. This equates to an annual income of $118,272 for a family of four. However, Mount Pleasant contains both very wealthy and poor people as well.

The people who call Mount Pleasant home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Mount Pleasant residents report their race to be White, followed by Black or African-American. Important ancestries of people in Mount Pleasant include German, Italian, Polish, Irish, and Slovak.

The most common language spoken in Mount Pleasant is English. Other important languages spoken here include Russian and Italian.