Tarentum is a very small borough located in the state of Pennsylvania. With a population of 4,233 people and four associated neighborhoods, Tarentum is the 348th largest community in Pennsylvania. Much of the housing stock in Tarentum was built prior to World War II, making it one of the older and more historic boroughs in the country.

Tarentum, even though it is a small borough, has many people who use public transportation every day to get to and from work. This is a great benefit for people in the, borough who have a need for low-cost transportation.

The percentage of adults in Tarentum with college degrees is slightly lower than the national average of 21.84% for all communities. 15.00% of adults in Tarentum have a bachelor's degree or advanced degree.

The per capita income in Tarentum in 2022 was $25,311, which is low income relative to Pennsylvania, and lower middle income relative to the rest of the US. This equates to an annual income of $101,244 for a family of four.

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

The most common language spoken in Tarentum is English. Other important languages spoken here include Italian and Spanish.