Leechburg is a very small borough located in the state of Pennsylvania. With a population of 2,116 people and two associated neighborhoods, Leechburg is the 622nd largest community in Pennsylvania. Leechburg has an unusually large stock of pre-World War II architecture, making it one of the older and more historic boroughs.

A relatively large number of people in Leechburg telecommute to their jobs. Overall, about 8.81% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

As is often the case in a small borough, Leechburg doesn't have a public transportation system that people use for their commute.

The percentage of adults in Leechburg with college degrees is slightly lower than the national average of 21.84% for all communities. 16.76% of adults in Leechburg have a bachelor's degree or advanced degree.

The per capita income in Leechburg in 2022 was $27,120, which is lower middle income relative to Pennsylvania and the nation. This equates to an annual income of $108,480 for a family of four. However, Leechburg contains both very wealthy and poor people as well.

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

The most common language spoken in Leechburg is English. Other important languages spoken here include Polish and Hungarian.