Irwin is a very small borough located in the state of Pennsylvania. With a population of 3,835 people and ten associated neighborhoods, Irwin is the 405th largest community in Pennsylvania.

Of important note, Irwin is also a borough of artists. Irwin has more artists, designers and people working in media than 90% of the communities in America. This concentration of artists helps shape Irwin’s character.

A relatively large number of people in Irwin telecommute to their jobs. Overall, about 8.13% 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.

The population of Irwin is very well educated relative to most cities and towns in the nation, where the average community has 21.84% of its adult population holding a 4-year degree or higher: 37.67% of adults in Irwin have a bachelor's degree or even advanced degree.

The per capita income in Irwin in 2022 was $36,884, which is upper middle income relative to Pennsylvania and the nation. This equates to an annual income of $147,536 for a family of four. However, Irwin contains both very wealthy and poor people as well.

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

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