Carnegie is a somewhat small borough located in the state of Pennsylvania. With a population of 7,925 people and five associated neighborhoods, Carnegie is the 154th largest community in Pennsylvania.

Also of interest is that Carnegie has more people living here who work in computers and math than 95% of the places in the US.

Telecommuters are a relatively large percentage of the workforce: 17.49% 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 being a small borough, Carnegie has a lot of people using the bus to get to and from work every day. Most of these people on the bus are using it to get to good jobs in other cities.

The overall education level of Carnegie citizens is substantially higher than the typical US community, as 33.63% of adults in Carnegie have at least a bachelor's degree, and the average American community has 21.84%.

The per capita income in Carnegie in 2022 was $40,258, which is upper middle income relative to Pennsylvania and the nation. This equates to an annual income of $161,032 for a family of four. However, Carnegie contains both very wealthy and poor people as well.

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

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