Zion is a medium-sized city located in the state of Illinois. With a population of 24,583 people and six associated neighborhoods, Zion is the 91st largest community in Illinois.

Telecommuters are a relatively large percentage of the workforce: 8.15% 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.

The percentage of adults in Zion with college degrees is slightly lower than the national average of 21.84% for all communities. 15.11% of adults in Zion have a bachelor's degree or advanced degree.

The per capita income in Zion in 2022 was $32,277, which is lower middle income relative to Illinois, and middle income relative to the rest of the US. This equates to an annual income of $129,108 for a family of four. However, Zion contains both very wealthy and poor people as well.

Zion is an extremely ethnically-diverse city. The people who call Zion home describe themselves as belonging to a variety of racial and ethnic groups. People of Hispanic or Latino origin are the most prevalent group in Zion, accounting for 43.74% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of Zion residents report their race to be White, followed by Black or African-American. Important ancestries of people in Zion include German, Irish, English, Italian, and Polish.

Zion also has a high percentage of its population that was born in another country: 19.17%.

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