Clairton is a somewhat small city located in the state of Pennsylvania. With a population of 5,945 people and three associated neighborhoods, Clairton is the 219th largest community in Pennsylvania. Clairton has an unusually large stock of pre-World War II architecture, making it one of the older and more historic cities.

Telecommuters are a relatively large percentage of the workforce: 16.30% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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.

Despite the fact that it is a small city, Clairton has quite a few people who take public transportation – mostly the bus - for their daily commute to work. This helps to fill a real need in the city for affordable transportation.

The citizens of Clairton are slightly better educated than the national average of 21.84% for all cities and towns, with 21.24% of adults in Clairton having a bachelor's degree or advanced degree.

The per capita income in Clairton in 2022 was $26,112, which is low income relative to Pennsylvania and the nation. This equates to an annual income of $104,448 for a family of four. However, Clairton contains both very wealthy and poor people as well. Clairton also has one of the higher rates of people living in poverty in the nation, with 33.04% of its population below the federal poverty line.

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

The most common language spoken in Clairton is English. Other important languages spoken here include Spanish and German/Yiddish.