Barry PhilipsTo keep things accurate and useful, this post focuses on the 20 largest and most significant cities and major communities in the Chicago metropolitan area, based on population, land area, and economic importance.
The Chicago metropolitan region—anchored by Chicago—is one of the largest urban regions in the United States. It includes hundreds of surrounding municipalities across Illinois, Indiana, and Wisconsin. These cities play major roles in housing, industry, transport, and commerce.
Below are the 20 biggest cities and major urban centers in the Chicago area.
Top 20 Biggest Cities In Chicago
1. Chicago
Chicago is the central hub of the entire metro area and the third-largest city in the United States. It dominates the region economically, culturally, and infrastructurally. The city is divided into dozens of well-known neighborhoods like the Loop, Hyde Park, Englewood, and Austin.
Its economy is driven by finance, technology, manufacturing, healthcare, and transportation. The city’s massive lakefront along Lake Michigan, iconic skyline, and extensive transit system make it the anchor of the Midwest.
Chicago also has a highly diverse population and a strong global influence in architecture, music (especially blues and house music), and sports culture.
2. Aurora
Aurora is the second-largest city in the Chicagoland area. Known as the “City of Lights,” it was one of the first U.S. cities to use electric street lighting.
Aurora has grown into a major suburban hub with strong manufacturing roots and expanding residential communities. Its downtown revitalization, riverfront development, and commuter access to Chicago make it a key economic satellite city.
3. Joliet
Joliet is a major industrial and transportation city southwest of Chicago. It is historically known for steel production and its strategic location along rail and highway corridors.
Today, Joliet is also known for logistics, distribution centers, and entertainment venues such as casinos and racetracks. Its population growth is tied closely to Chicago’s suburban expansion.
4. Naperville
Naperville is one of the wealthiest and most developed suburbs in the Chicago metro area. It consistently ranks among the best places to live in the United States due to its schools, safety, and infrastructure.
The city has a strong tech-driven economy, corporate offices, and a vibrant downtown filled with restaurants, shops, and riverwalk attractions.
5. Elgin
Elgin sits along the Fox River and is known for its historic architecture and manufacturing heritage. Once famous for its watch factory industry, Elgin has evolved into a diversified suburban city.
It features affordable housing compared to other Chicago suburbs, making it attractive for families and commuters.
6. Waukegan
Waukegan is located on the shores of Lake Michigan and serves as the county seat of Lake County. It has a strong industrial base and an active port.
The city is culturally diverse and has ongoing redevelopment projects aimed at revitalizing its downtown and lakefront areas.
7. Cicero
Cicero is a densely populated inner suburb directly adjacent to Chicago. It is one of the most historically significant industrial suburbs in the region.
Cicero has strong ties to manufacturing and logistics, and its proximity to Chicago makes it a key working-class residential area.
8. Evanston
Evanston is located just north of Chicago and is home to Northwestern University. It is known for its lakefront, academic environment, and cultural vibrancy.
The city blends residential neighborhoods with commercial districts and has one of the most educated populations in the metro area.
9. Schaumburg
Schaumburg is a major suburban business hub known for the Woodfield Mall, one of the largest shopping malls in the United States.
It has a strong corporate presence, including offices, hotels, and convention facilities, making it a commercial powerhouse in the northwest suburbs.
10. Bolingbrook
Bolingbrook is a fast-growing suburb southwest of Chicago. It has seen rapid residential expansion due to its affordability and access to highways.
The city has become a preferred location for commuters working in Chicago and surrounding industrial zones.
11. Gary
Gary is part of the Indiana portion of the Chicago metro area. Historically a major steel production center, it played a critical role in American industrial growth.
Although it has faced economic decline, Gary remains important in regional transportation and manufacturing networks.
12. Hammond
Hammond is another key Indiana city within the Chicago metropolitan region. It benefits from its proximity to Chicago and strong highway and rail connections.
The city has a mix of industrial zones, residential neighborhoods, and commercial centers.
13. Skokie
Skokie is a northern suburb known for its cultural diversity and strong retail economy. It has a mix of residential areas and shopping districts.
Skokie also has historical significance as a center for civil rights activism in the United States.
14. Oak Lawn
Oak Lawn is a southwest suburb of Chicago known for its healthcare facilities and family-friendly neighborhoods.
It has strong infrastructure, parks, and public services, making it a stable residential community.
15. Berwyn
Berwyn is a compact, densely populated suburb located just west of Chicago. It has a strong cultural identity and historic bungalow architecture.
It is popular among commuters due to its proximity to downtown Chicago.
16. Des Plaines
Des Plaines is located near O’Hare International Airport and serves as a key transportation and hospitality hub.
The city has a balanced mix of residential areas, corporate offices, and logistics-related industries.
17. Orland Park
Orland Park is one of the larger suburban communities in terms of land area and population. It is known for its shopping centers, parks, and suburban lifestyle.
The city has seen steady residential growth over the past few decades.
18. Tinley Park
Tinley Park is a southern suburb famous for its entertainment venues, concerts, and festivals.
It is also a commuter-friendly community with strong residential appeal and access to rail lines into Chicago.
19. Arlington Heights
Arlington Heights is a major northwest suburb known for its horse racing history (Arlington Park) and strong residential communities.
It is a popular choice for professionals working in Chicago due to its suburban comfort and accessibility.
20. Mount Prospect
Mount Prospect is a well-established suburb with a strong downtown district, good schools, and stable housing market.
It offers a balance between suburban living and access to Chicago’s job market.
Comparison Table of the 20 Biggest Chicago-Area Cities
| Rank | City | State | Key Feature | Economic Strength |
|---|---|---|---|---|
| 1 | Chicago | Illinois | Major global city | Finance, transport, tech |
| 2 | Aurora | Illinois | “City of Lights” | Manufacturing, suburbs |
| 3 | Joliet | Illinois | Logistics hub | Transport, warehousing |
| 4 | Naperville | Illinois | Affluent suburb | Tech, corporate offices |
| 5 | Elgin | Illinois | Fox River city | Manufacturing, housing |
| 6 | Waukegan | Illinois | Lake Michigan port | Industry, redevelopment |
| 7 | Cicero | Illinois | Dense inner suburb | Manufacturing |
| 8 | Evanston | Illinois | University city | Education, services |
| 9 | Schaumburg | Illinois | Retail hub | Corporate, retail |
| 10 | Bolingbrook | Illinois | Fast-growing suburb | Residential expansion |
| 11 | Gary | Indiana | Steel city | Industry |
| 12 | Hammond | Indiana | Transport city | Industry, logistics |
| 13 | Skokie | Illinois | Cultural suburb | Retail, services |
| 14 | Oak Lawn | Illinois | Healthcare hub | Public services |
| 15 | Berwyn | Illinois | Dense suburb | Residential |
| 16 | Des Plaines | Illinois | Airport proximity | Hospitality, logistics |
| 17 | Orland Park | Illinois | Large suburb | Retail, housing |
| 18 | Tinley Park | Illinois | Entertainment hub | Services, retail |
| 19 | Arlington Heights | Illinois | Historic suburb | Residential, retail |
| 20 | Mount Prospect | Illinois | Balanced suburb | Residential, services |
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Conclusion
The Chicago metropolitan area is not just one city but a vast interconnected region made up of powerful suburbs, industrial hubs, residential communities, and economic corridors. Anchored by Chicago, this region functions as one of the most important economic engines in the United States.
From affluent suburbs like Naperville to industrial centers like Joliet and Gary, each city plays a unique role in shaping the identity of Chicagoland. Together, they form a dynamic metropolitan system that continues to grow in population, infrastructure, and global relevance.