Herrin is a somewhat small city located in the state of Illinois. With a population of 12,202 people and three associated neighborhoods, Herrin is the 195th largest community in Illinois.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 7.71% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. 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 overall education level of Herrin is somewhat higher than in the average US city of 21.84%: 25.39% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Herrin in 2022 was $32,815, which is middle income relative to Illinois and the nation. This equates to an annual income of $131,260 for a family of four. However, Herrin contains both very wealthy and poor people as well.

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

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