Brookville is a very small borough located in the state of Pennsylvania. With a population of 3,938 people and two associated neighborhoods, Brookville is the 390th largest community in Pennsylvania. Much of the housing stock in Brookville was built prior to World War II, making it one of the older and more historic boroughs in the country.

Residents of the borough have the good fortune of having one of the shortest daily commutes compared to the rest of the country. On average, they spend only 18.32 minutes getting to work every day.

The percentage of people in Brookville who are college-educated is somewhat higher than the average US community of 21.84%: 28.90% of adults in Brookville have at least a bachelor's degree.

The per capita income in Brookville in 2022 was $28,787, which is lower middle income relative to Pennsylvania and the nation. This equates to an annual income of $115,148 for a family of four. However, Brookville contains both very wealthy and poor people as well.

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

The most common language spoken in Brookville is English. Other important languages spoken here include Polish and West Germanic languages.