The Fastest-Growing Suburbs in Chicagoland Right Now — And Why Buyers, Sellers, and Investors Are Watching Them
- The Biggest News Jason Rosenberg
- 7 hours ago
- 5 min read
If it feels like more and more people across Chicagoland are packing up, heading outward, and searching for a little more space, a newer home, and a backyard big enough to justify buying patio furniture they will use twice, you are not wrong.
Some suburbs in the Chicagoland area are growing faster than others right now, and that matters in a big way whether you are buying a home, selling a home, or looking for the next great place to invest.
Based on the latest official U.S. Census estimates available today, Oswego, Plainfield, and Montgomery stand out among the fastest-growing suburbs in the Chicagoland area. From April 1, 2020 to July 1, 2024, Oswego grew 12.0% to 38,778 residents, Plainfield grew 8.9% to 48,881 residents, and Montgomery grew 8.2% to 21,957 residents. The broader Chicago-Naperville-Elgin metro area also added 70,762 people from 2023 to 2024, showing that Chicagoland as a whole is still attracting residents and momentum.
That is not just “a few more neighbors” growth.
That is “why is there traffic here on a Tuesday at 2:14 p.m.?” growth.
That is “wasn’t this an empty lot last year?” growth.
That is “how did this suburb suddenly get new restaurants, more rooftops, and even more people at every open house?” growth.
Which Chicagoland suburbs are growing the fastest?
Right now, three suburbs clearly deserve attention:
Oswego has been one of the strongest performers, climbing to 38,778 residents, which represents 12.0% growth since 2020.
Plainfield grew to 48,881 residents, up 8.9%.
Montgomery reached 21,957 residents, up 8.2%.
Those are real population gains in a relatively short amount of time, and they help explain why these communities keep showing up in conversations about where people want to live in Chicagoland.
Why are these suburbs growing?
Because buyers are doing what buyers always do in real estate:
They are comparing.
They are calculating.
They are trying to figure out where they can get the most home for their money without feeling like they have moved to another planet.
A lot of buyers in Chicagoland want more square footage, newer construction, bigger lots, better storage, attached garages, and neighborhoods that feel like they still have room to grow. They also want to stay connected to jobs, transportation routes, shopping, schools, and the wider Chicagoland lifestyle.
And when people start doing that math, suburbs like Oswego, Plainfield, and Montgomery begin to look very appealing.
This does not mean everyone is running away from the city. It means many buyers are making practical decisions about value, lifestyle, and space. Some want a move-up house. Some want more for the same money. Some want a quieter setting. And some are just tired of pretending that parallel parking in winter builds character.
Why fast-growing suburbs matter for home buyers
If you are a buyer, fast-growing suburbs are worth paying close attention to.
Why? Because growth usually means demand.
And demand usually means competition.
When more people want into the same areas, well-priced homes tend to attract more interest. That means you may not find the magical bargain you imagined after spending 45 minutes watching real estate videos and convincing yourself you are now a market expert.
Fast-growing suburbs can offer great opportunity, but they can also require speed, strategy, and realistic expectations.
If you are house hunting in one of these areas, it helps to be prepared, pre-approved, and ready to make smart decisions quickly.
Why fast-growing suburbs matter for home sellers
If you are a seller, this kind of growth can be very good news.
Population growth often helps keep a suburb on buyers’ radar. It can support demand, strengthen visibility, and make your location more attractive to a broader pool of buyers.
But let’s stay sane for a second.
Just because your suburb is growing does not mean your home should be priced like it comes with a private golf course, an infinity pool, and a celebrity chef in the basement.
Growth creates opportunity.
It does not replace strategy.
The sellers who win in these markets are still the ones who price correctly, prepare the home well, market it aggressively, and make sure the property looks outstanding online. A growing suburb can help bring buyers in. Good presentation and smart pricing are what get the home sold.
Why investors should care about the fastest-growing suburbs in Chicagoland
Investors should be paying attention too.
Population growth is one of the clearest signals that a suburb may have momentum. More residents can mean more housing demand, more retail development, more services, and stronger long-term interest in the area.
Of course, not every property in a fast-growing suburb is automatically a great investment. Some homes are still overpriced. Some listings still make no sense. Some people hear the phrase “hot suburb” and immediately decide that overpaying is a sound business plan.
Still, growth is a clue.
And in real estate, clues matter.
Percentage growth vs. actual number of people added
One important thing to understand is that “fastest-growing” can mean different things.
Some suburbs rank highly because they grew the most by percentage. That often happens with smaller or outer-ring communities.
Other suburbs may add a larger number of actual residents, which can be just as important from a real estate perspective.
That is why places like Oswego, Plainfield, and Montgomery are so interesting right now. They show measurable momentum, and they fit the broader trend of buyers looking for value, space, and lifestyle across the Chicagoland suburbs.
What this means for the Chicagoland real estate market
The bigger message here is simple:
People are still moving around Chicagoland, and they are paying attention to suburbs that offer growth, value, and livability.
That matters for:
buyers trying to get ahead of the next wave
sellers wondering whether demand is building in their area
investors looking for suburbs with momentum
homeowners curious about where the market may be heading next
When a suburb is growing, it often means more people believe in its future.
And in real estate, confidence matters.
Sometimes that confidence shows up in Census data.
Sometimes it shows up in new subdivisions, crowded open houses, and longer waits at local restaurants.
Usually, it shows up in both.
The bottom line
If you are looking for the fastest-growing suburbs in Chicagoland right now, Oswego, Plainfield, and Montgomery are three of the clearest names to watch based on the latest official data.
These suburbs are gaining residents, attracting attention, and becoming more important in the broader Chicagoland real estate conversation.
So whether you are buying, selling, or investing, it pays to know where the momentum is.
Because in real estate, the areas that grow today often become the places everyone is talking about tomorrow.
If you are thinking about buying or selling anywhere in Chicagoland, I would be happy to help you make a smart move while keeping more of your hard-earned equity.
Jason Rosenberg
Top Producing Real Estate Broker
The Rosenberg Group at Infiniti Properties
Sources
U.S. Census Bureau QuickFacts: Oswego village, Illinois — July 1, 2024 population estimate of 38,778 and population change of 12.0% since April 1, 2020.
U.S. Census Bureau QuickFacts: Plainfield village, Illinois — July 1, 2024 population estimate of 48,881 and population change of 8.9% since April 1, 2020.
U.S. Census Bureau QuickFacts: Montgomery village, Illinois — July 1, 2024 population estimate of 21,957 and population change of 8.2% since April 1, 2020.
U.S. Census Bureau metro population estimates: Chicago-Naperville-Elgin metro area added 70,762 residents from 2023 to 2024.
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