15 Largest Cities in Illinois [2025]

Illinois is a state of contrasts, where the bustling streets of Chicago meet the serenity of the rural Midwest. As one of the most diverse states in the nation, Illinois is home to it all. From thriving urban centers to charming small towns, it’s no wonder the largest cities in Illinois continue to grow.

Whether you're drawn to the energy of Chicago, the historic charm of Springfield, or the family-friendly atmosphere of Naperville, Illinois’ top cities have something for everyone.

In this article, we’ll explore the 15 largest cities in Illinois, look at what makes each one special, and examine why they continue to attract new residents.

All of the rental data included here comes from our internal database of rent estimates, which is available for download. Transit scores come from Walk Score, and census information comes directly from the U.S. Census Bureau website.

15 Largest Cities in Illinois

Populations of the 15 Largest Cities in Illinois

1. Chicago

• Median rent for a one-bedroom apartment: $1,634
• Median rent for a two-bedroom apartment: $1,779
• Population: 2,746,388
• Median household income: $75,134
• Walk score: 77
• Transit score: 65
• Bike score: 72
• Map of Chicago

If you’re planning on moving to Chicago, you’ll never have a shortage of things to do. Whether you’re checking out museums in the Loop, chilling by Lake Michigan in summer, or just enjoying a walk through one of the city’s many neighborhoods, there’s always something going on. The food scene here is a big deal, too. From deep-dish pizza to international restaurants of all kinds, it’s difficult to go hungry. Plus, Chicago’s neighborhoods each have their own vibe, so no matter what you're into, there's a place for you.

Getting around the city is pretty easy with the Chicago Transit Authority (CTA), so you can leave the car behind if you prefer. The cost of living here is also more reasonable compared to some other big cities, which is a big win for anyone looking to live the city life without breaking the bank. Plus, if you’re into sports, you’re in the right place—whether you’re cheering on the Cubs, the Bears, or the Bulls, Chicago has a serious sports scene.

That said, winters can be brutal. Expect a lot of snow and cold winds, and be ready to bundle up—it is the Windy City, after all. Some neighborhoods of the city also have higher crime rates, so it’s definitely worth doing some research to pick a suitable area. But overall, if you can handle the weather, the biggest city in Illinois has a lot to offer.

*Check out our listings in Chicago

2. Aurora

• Median rent for a one-bedroom apartment: $1,435
• Median rent for a two-bedroom apartment: $1,890
• Population: 180,542
• Median household income: $90,109
• Walk score: 40
• Transit score: 21
• Bike score: 52
• Map of Aurora

As the second-biggest city in Illinois, Aurora offers the perfect balance of suburban comfort and urban convenience. Located just 40 miles west of Chicago, it’s ideal for commuters who want to enjoy a quieter lifestyle without straying too far from the action. Housing here is more affordable than in neighboring cities like Naperville, and you’ll find a range of amenities, including the Fox River, which is perfect for kayaking and scenic walks.

Education is a strong suit in Aurora, and you’ll find several top-rated schools and institutions like the Illinois Mathematics and Science Academy (IMSA), which is known for its rigorous STEM programs. The city also offers a variety of parks and recreational areas, and though it has a more relaxed nightlife compared to larger cities, it has been undergoing revitalization efforts.

Check out our listings in Aurora.

3. Joliet

• Starting rent for an apartment in Joliet: $1,050
• Population: 150,362
• Median household income: $88,026
• Walk score: 35
• Transit score: 17
• Bike score: 44
• Map of Joliet

Next up after the second-largest city in Illinois, we have Joliet, which offers a more relaxed suburban vibe with easy access to Chicago’s amenities. Located about 40 miles southwest of Chicago, it's perfect for those who want a quieter lifestyle without being too far from the action. Housing here is affordable, too, making it a great option for renters looking to save.

The city is home to a variety of parks and recreational facilities, including the Joliet Park District, which offers sports complexes, fitness centers, and nature centers like Pilcher Park. It also has a rich cultural scene, with events like the Joliet Slammers baseball games and performances at the Rialto Square Theatre.​

For families, Joliet provides solid educational options, with an award-winning public school district. The community is friendly, and the cost of living is reasonable, with utilities and groceries priced below the national average. While the city is still growing, it offers a comfortable and affordable place to call home.

Check out our listings in Joliet.

4. Naperville

• Median rent for a one-bedroom apartment: $1,720
• Median rent for a two-bedroom apartment: $2,056
• Population: 149,540
• Median household income: $150,937
• Walk score: 34
• Transit score: 12
• Bike score: 45
• Map of Naperville

Naperville is a charming little city in Illinois, just a 45-minute train ride from the Chicago Loop, perfect for commuters who crave a quieter, more relaxed pace of life. The city is renowned for its excellent schools, making it a top choice for families. Naperville has been recognized as the best place to live in the U.S. by Niche.com for two consecutive years, as well, thanks to its low crime rate, strong economy, and high quality of life.

The downtown area features a picturesque Riverwalk, boutique shops, and a variety of dining options. Whether you're grabbing coffee at a local café or enjoying a meal at one of the many restaurants, there's always something to do. If you want to get outdoors, the city offers numerous parks and recreational facilities, providing ample opportunities for activities like hiking, biking, and picnicking.​

While the cost of living in Naperville is higher than the national average, many residents find the investment worthwhile due to the city's amenities and quality of life.

Check out our listings in Naperville.

5. Rockford

• Starting rent for an apartment in Rockford: $600
• Population: 148,655
• Median household income: $53,328
• Walk score: 41
• Transit score: N/A
• Bike score: 43
• Map of Rockford

If you're looking for an affordable slice of outdoor bliss, Rockford, Illinois, might just be your new home. With a cost of living well below that of the most populated cities in Illinois, you’ll have more cash for adventures.

Locals get their nature fix on the Rock River Recreation Path, a scenic bike trail that’s lined with gardens, art installations, and the Rockmen Guardians. If you’re looking for something truly special, check out the Anderson Japanese Gardens.

When it's festival time, Rockford knows how to throw a party. From the bustling City Market to Festa Italiana and Greek Fest, there’s something for everyone. Plus, the holiday magic of Stroll on State will make you feel like you're in a Hallmark movie. So, if you love nature, festivals, and a cozy community vibe, Rockford could be the perfect fit for your next chapter.

Check out our listings in Rockford.

6. Elgin

• Starting rent for an apartment in Elgin: $1,250
• Population: 114,797
• Median household income: $88,316
• Walk score: 43
• Transit score: 29
• Bike score: 51
• Map of Elgin

Looking to settle down in one of the major cities in Illinois that offers the best of both worlds? Elgin, Illinois, might just be your new home. Located just northwest of Chicago, this suburban gem offers a strong sense of community, great schools, and a rich history. Whether you're exploring the Elgin History Museum or cycling the 40-mile Fox River Bike Trail, there’s always something to keep you busy.

Elgin is bursting with family-friendly activities as well. There are free concerts at Wing Park, festivals at the Edward Schock Centre, and the one-of-a-kind Elgin Short Film Festival. If nature is your thing, the Hawthorne Hill Nature Center and the beautiful 108-acre Lords Park are just the start.

And for the practical-minded, Elgin’s cost of living is around the same as the national average, making it a fantastic choice for those looking for affordability without sacrificing convenience or fun.

Check out our listings in Elgin.

7. Springfield

• Average rent for a one-bedroom apartment: $844
• Average rent for a two-bedroom apartment: $995
• Population: 114,394
• Median household income: $65,537
• Walk score: 38
• Transit score: N/A
• Bike score: 45
• Map of Springfield

Looking for a place with rich history, endless charm, and a mix of small-town feel with big-city benefits? Springfield, Illinois, is calling your name! As the Land of Lincoln, Illinois is a history lover’s paradise, and Springfield is packed with Lincoln landmarks like the Lincoln Home National Historic Site and the Lincoln Tomb. However, it’s not all about the past. There’s plenty of modern fun too, like the iconic Route 66 or Knights Action Park.

For nature lovers, the Adams Wildlife Sanctuary and the Washington Park Botanical Garden offer serene escapes, while biking trails and 41 parks keep you active. And you can’t miss the signature Horseshoe sandwich, or the giant pancakes at Charlie Parker's Diner.

Springfield is also a college town, home to universities and an arts scene that includes theater, music, and dance. Whether you’re settling in for a peaceful life or ready for adventure, it’s one of the best big cities in Illinois.

Check out our listings in Springfield.

8. Peoria

• Starting rent for an apartment in Peoria: $800
• Population: 113,150
• Median household income: $58,716
• Walk score: 41
• Transit score: N/A
• Bike score: 44
• Map of Peoria

Peoria has earned its spot as one of the top towns in Illinois. With a low cost of living and a strong economy driven by major employers like Caterpillar, Peoria offers affordable housing and ample job opportunities. Plus, the city’s rich history and cultural scene, from the Smithsonian-affiliated Peoria Riverfront Museum to year-round festivals, there’s always something exciting to do locally.

Outdoor lovers will thrive in Greater Peoria’s large parks, trails, and sports facilities, including the acclaimed Louisville Slugger Sports Complex. With over 70 outdoor murals and a bustling art scene, Peoria also scores big in public art.

Overall, whether you’re into sports, arts, or outdoor recreation, Peoria has something for everyone.

Check out our listings in Peoria.

9. Waukegan

• Median rent for a one-bedroom apartment: $1,120
• Median rent for a two-bedroom apartment: $1,448
• Population: 89,321
• Median household income: $70,578
• Walk score: 49
• Transit score: 28
• Bike score: 42
• Map of Waukegan

If you’ve ever been to the northern region of Illinois, you probably know the hidden gem that is Waukegan. Positioned perfectly between Chicago and Milwaukee, this place offers a cozy mix of city access and quiet suburban charm. You can get the hustle of big cities without the daily grind, whether it’s a stroll along the lakefront or a visit to the historic Genesee Theatre. As for Lake Michigan, it’s not just for looks. Many locals spend time unwinding at the nearby public beach or hopping on a boat at the marina.

Things are only getting better with major changes on the horizon. The downtown and waterfront areas are being revamped, bringing new shops, restaurants, and spaces to hang out. Soon, the Fountain Square area will be buzzing with retail and dining options, adding to the community's growing energy. Whether you're looking to start a business, find a cozy home, or enjoy a peaceful weekend, Waukegan is one of the best cities in the state of Illinois.

Check out our listings in Waukegan.

10. Champaign

• Starting rent for an apartment in Champaign: $750
• Population: 88,302
• Median household income: $57,544
• Walk score: 52
• Transit score: 44
• Bike score: 65
• Map of Champaign

With the University of Illinois at its heart, Champaign is one of the many major Illinois cities that pulses with energy, innovation, and community. Here, you can do everything from catching a game at the State Farm Center (known as the Assembly Hall to locals) to enjoying the green spaces in places like Meadowbrook Park. The blend of academic influence and Midwestern charm makes it a welcoming spot for families, students, and young professionals.

But what really sets this area apart is the lifestyle it offers. You get all the perks of city living, including walkable neighborhoods, great food (say hello to the Greatest Food Town in the Midwest!), and a bustling downtown scene, all without the long commutes or crazy traffic. Plus, with a range of neighborhoods to choose from, whether you’re drawn to a quieter suburb like Savoy or something closer to campus, you’re sure to find the perfect fit for your lifestyle.

Check out our listings in Champaign.

11. Cicero

• Starting rent for an apartment in Cicero: $950
• Population: 85,268
• Median household income: $68,548
• Walk score: 75
• Transit score: 51
• Bike score: 55
• Map of Cicero

While it’s not often thought of as one of the main cities in Illinois, Cicero is a place where history blends with modern living. Since its days as a bustling manufacturing hub in the early 20th century, the town has transformed into a diverse, loving community with a deep sense of pride. The spirit of innovation still runs strong, thanks to its roots in industry and the legacy of figures like Ernest Hemingway. Today, Cicero’s industrial backbone has given way to a mix of residential areas and businesses, making it a solid choice for anyone looking for a family-friendly location in Cook County.

Beyond its history, Cicero is steadily evolving. With a diverse population, the town’s neighborhoods are full of character, from the more industrial areas to peaceful residential streets. The community is also seeing investment in its infrastructure, with improved parks, schools, and recreational facilities to match its growing population. Plus, with its proximity to Chicago, residents enjoy easy access to the city while maintaining the charm of a close-knit, suburban atmosphere.

Check out our listings in Cicero.

12. Schaumburg

• Median rent for a one-bedroom apartment: $1,717
• Median rent for a two-bedroom apartment: $2,111
• Population: 78,723
• Median household income: $94,690
• Walk score: 43
• Transit score: N/A
• Bike score: 66
• Map of Schaumburg

With its peaceful, suburban vibe and easy access to the excitement of Chicago, Schaumburg is one of the best places to live in Illinois. Just 30 miles northwest of the city, this community of nearly 79,000 residents combines family-friendly amenities with a laid-back vibe. Whether you're working in the Chicago Loop or exploring the nearby attractions, you’ll appreciate Schaumburg’s balance of serenity and convenience.

From the world-class shopping at Woodfield Mall to nature-filled escapes like Busse Woods and Vera Meineke Nature Center, there’s no shortage of things to do.

Families, in particular, will find plenty to love here, with kid-friendly spots like LEGOLAND Discovery Center and The Water Works indoor water park. In terms of dining options, you’ll find something to suit every taste, from upscale steakhouses at Capital Grille to bar-style eats at Topgolf. With excellent schools, tons of parks, and a community-oriented spirit, Schaumburg is one of our favorite places in Illinois.

Check out our listings in Schaumburg.

13. Bloomington

• Starting rent for an apartment in Bloomington: $800
• Population: 78,680
• Median household income: $75,449
• Walk score: 35
• Transit score: 26
• Bike score: 47
• Map of Bloomington

Bloomington is a great place to live in Illinois. With its friendly atmosphere and diverse offerings, this area is perfect for everyone from students to families to young professionals. You can enjoy a college-town vibe in Uptown Normal or explore the local food scene, art galleries, and breweries. Plus, there’s always something going on, from festivals to live music to outdoor activities. If that’s not enough, you also get easy access to major highways and a regional airport, meaning you’re never far from Chicago, St. Louis, or Indianapolis.

The cost of living here is lower than the national average, so affordable homes and a higher quality of life are easier to find compared to larger cities. With big employers like State Farm and Rivian, plus excellent schools and over 2,500 acres of park space, Bloomington offers plenty of opportunities to work, play, and thrive.

Check out our listings in Bloomington.

14. Evanston

• Average rent for a one-bedroom apartment: $2,449
• Average rent for a two-bedroom apartment: $3,032
• Population: 78,110
• Median household income: $95,766
• Walk score: 76
• Transit score: 51
• Bike score: 89
• Map of Evanston

​​Evanston is more than just a Chicago suburb. It’s a destination in its own right. Situated just 15 miles north of the Loop, Evanston offers a unique combination of lakefront beauty, a thriving arts scene, and a vibrant, community-focused atmosphere.

Despite its college-town vibe, thanks to Northwestern University, it has a distinct character that's all its own. Whether you're grabbing coffee at Curt’s Café or enjoying authentic Italian cuisine at Trattoria Demi, you’ll find that this area’s laid-back, creative energy is infectious. You can spend your days biking along the shores of Lake Michigan or exploring local hot spots like the Merrick Rose Garden.

From the famous temperance movement to today’s buzzing dining and shopping scene, this city has always been a place of change and innovation. You can spend your weekends at one of the city’s 77 parks, grab a bite at the iconic Hecky’s Barbecue, or enjoy a free concert at Thursday Night Live. It’s a place where young professionals, families, and students all coexist, and most everyone shares a sense of pride in their city.

Check out our listings in Evanston.

15. Arlington Heights

• Average rent for a one-bedroom apartment: $1,614
• Average rent for a two-bedroom apartment: $2,057
• Population: 77,676
• Median household income: $118,532
• Walk score: 48
• Transit score: N/A
• Bike score: 59
• Map of Arlington Heights

Last, but not least, in our list of the biggest cities in Illinois, we have Arlington Heights, which is one of those suburbs that’s just far enough from Chicago to escape the hubbub but close enough to enjoy everything the city has to offer. It’s only about 45 minutes from the Loop by train, making it an easy spot for commuters to set up shop without dealing with the headaches of city living. And when you’re not on the train heading into Chicago, you’ll find plenty to keep you busy right at home, whether it’s checking out the local bars, exploring the parks, or grabbing a bite at one of the many restaurants in town.

For those who like a little variety in their entertainment, Arlington Heights has it all, including live music at Home Bar and even some friendly competition at Topgolf. There’s something for everyone, as a community where people care about each other, it’s easy to see why so many choose to settle here.

Check out our listings in Arlington Heights.

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