Ethnic mosaic with strong Latino presence and Eastern European roots
Joliet has about 85,000 residents, with the Latino population approaching one-third of the total, alongside historic Polish, Slovenian, and African American communities. English and Spanish coexist in everyday life.
The population is ethnically diverse by Midwestern American standards. Latinos form the largest minority group, with a very strong Mexican presence, followed by Puerto Ricans. The non-Hispanic white population remains the majority, though at a lower proportion than in past decades, and African Americans have a historically significant presence, especially on the city's east side.
The European migration legacy left its mark on religious architecture and surnames: Poles, Slovenians, Irish, and Italians arrived in the industrial waves of the 19th and 20th centuries. Today, new arrivals come primarily from Mexico, Central America, India, and the Philippines, reflecting the broader Chicago metropolitan pattern.
Practical bilingualism is a reality in neighborhoods such as Forest Park and the downtown area, where many businesses, schools, and public services operate in both English and Spanish. Religious life remains active, with historic Catholic parishes, evangelical Protestant churches, and remaining Orthodox congregations.
- English
- Spanish
- Polish
- Tagalog
- Catholicism
- Evangelical Protestantism
- Eastern Orthodoxy
- No religion
- Hinduism