Illinois · 1,084 scored ZIPs · September 2026
Conditions tightening in sellers' favor. That is the population-weighted reading across 1,084 scored ZIPs in Illinois. Typical home value $328K, +5.3% over 12 months on average; listings take 39 days to sell against 60 in the median U.S. ZIP.
Illinois1,084 scored ZIPs
Average of 1,084 scored ZIPs, weighted by population · the median U.S. ZIP scores 50
Five parts, weighted. How the score works →
1,084 scored ZIPs in Illinois, colored by market balance.
Loading the map…
One dot is one ZIP code; click a dot to open its page. Blue leans toward buyers, orange toward sellers.
What the latest figures say about Illinois.

In Illinois, typical home values rose by an average of 5.3% over the year to August 2026, weighted by population across its 1,084 scored ZIPs (based on Zillow ZIP-level data).
Figures for a city or a state are averages across its scored ZIP codes, weighted by population, so each ZIP counts in proportion to its residents. Where only some ZIPs report a figure, the sentence names how many.
The average typical home value in Illinois was $328K in August 2026, weighted by population across its 1,084 scored ZIPs (based on Zillow ZIP-level data).
In September 2026, Illinois sat in our Leaning seller band, with an average HavenScore balance of +13, weighted by population across its 1,084 scored ZIPs.
The HavenScore balance reads signals such as inventory, time on market and the share of listings with a price cut on one scale, from buyers at one end to sellers at the other. A reading below zero favors buyers, and one above zero favors sellers.
In September 2026, the ZIP-level median time on market in Illinois averaged 39 days, weighted by population across the 1,037 of its 1,084 scored ZIPs that report it, against 60 days for the median U.S. ZIP (based on Realtor.com ZIP-level data).
Days on market here is each ZIP code's median number of days a Realtor.com listing spends on the market, from the day it is listed until it closes or is withdrawn, averaged across the place's ZIP codes.
The share of listings with a price cut in Illinois averaged 21% in September 2026, weighted by population across the 1,037 of its 1,084 scored ZIPs that report it, against 20% for the median U.S. ZIP (based on Realtor.com ZIP-level data).
Active listings across the 1,039 ZIPs in Illinois that report them totaled 22,511 in September 2026, according to Realtor.com.
Each figure names its own month: Zillow's home values and Realtor.com's listings data publish on their own schedules, so the two can sit a month apart. A figure describes that month, not the day this page was updated.
Where each city sits: price momentum against buyer-seller pressure.
15 of 20 Illinois cities read Accelerating — prices rising with the market leaning toward sellers.
Cooling4 cities
Prices still up over the year, but the market now leans toward buyers.
Belleville, Carbondale, Decatur and 1 more
Accelerating15 cities
Prices rising with the market leaning toward sellers.
Softening1 city
Prices down over the year with the market leaning toward buyers.
Firming0 cities
Prices still down over the year, but the market now leans toward sellers.
No city reads Firming now.
| City | Read | Prices, trailing year | Balance | ZIPs |
|---|---|---|---|---|
| Aurora | Accelerating | +3.5% | +8 | 5 |
| Belleville | Cooling | +1.3% | −4 | 4 |
| Bloomington | Accelerating | +2.1% | +3 | 3 |
| Carbondale | Cooling | +7.6% | −3 | 3 |
| Champaign | Accelerating | +4.8% | +2 | 3 |
| Chicago | Accelerating | +5.1% | +15 | 56 |
| Decatur | Cooling | +5.1% | −11 | 3 |
| East Saint Louis | Softening | −1.7% | 0 | 4 |
| Elgin | Accelerating | +4.3% | +13 | 3 |
| Evanston | Accelerating | +8.8% | +35 | 3 |
| Greenville | Accelerating | +11.3% | +13 | 3 |
| Hoffman Estates | Accelerating | +6.4% | +25 | 3 |
| Joliet | Accelerating | +0.4% | +1 | 4 |
| Naperville | Accelerating | +4.2% | +13 | 4 |
| Oak Park | Accelerating | +10.3% | +40 | 3 |
| Peoria | Accelerating | +6.1% | +4 | 7 |
| Plainfield | Cooling | +1.8% | −6 | 3 |
| Rockford | Accelerating | +10.3% | +26 | 8 |
| Schaumburg | Accelerating | +4.7% | +15 | 3 |
| Springfield | Accelerating | +5.9% | +10 | 5 |
The ten highest HavenScores among ZIPs with 5,000+ residents.
| Rank | Market balance | ZIP | HavenScore | Typical value |
|---|---|---|---|---|
| 1 | −9, balanced | 60611Chicago, IL | 62 | $362K |
| 2 | +5, balanced | 62205East Saint Louis, IL | 62 | $34K |
| 3 | −1, balanced | 60422Flossmoor, IL | 61 | $343K |
| 4 | 0, balanced | 62269O Fallon, IL | 61 | $314K |
| 5 | +18, leaning seller | 60661Chicago, IL | 60 | $346K |
| 6 | +5, balanced | 62208Fairview Heights, IL | 60 | $196K |
| 7 | −17, leaning buyer | 62220Belleville, IL | 60 | $153K |
| 8 | +3, balanced | 60654Chicago, IL | 59 | $384K |
| 9 | −7, balanced | 62002Alton, IL | 59 | $119K |
| 10 | +13, leaning seller | 62052Jerseyville, IL | 59 | $178K |
The score only ranks ZIPs with 5,000+ residents — thinner markets are too noisy month-to-month. National leaderboards → Every scored ZIP in Illinois, by county →
20 cities with three or more scored ZIPs, from the strongest lean toward buyers to the strongest toward sellers.
| Rank | City | Market balance | HavenScore | |
|---|---|---|---|---|
| 1 | Decatur | −11 | 57 | |
| 2 | Plainfield | −6 | 53 | |
| 3 | Belleville | −4 | 57 | |
| 4 | Carbondale | −3 | 44 | |
| 5 | East Saint Louis | 0 | 54 | |
| 6 | Joliet | +1 | 48 | |
| 7 | Champaign | +2 | 51 | |
| 8 | Bloomington | +3 | 51 | |
| 9 | Peoria | +4 | 55 | |
| 10 | Aurora | +8 | 50 | |
| 11 | Springfield | +10 | 54 | |
| 12 | Elgin | +13 | 50 | |
| City | Market balance | HavenScore | |
|---|---|---|---|
| Chicago | +15 | 46 | |
| Evanston | +35 | 45 | |
| Greenville | +13 | 52 | |
| Hoffman Estates | +25 | 53 | |
| Naperville | +13 | 48 | |
| Oak Park | +40 | 46 | |
| Rockford | +26 | 50 | |
| Schaumburg | +15 | 53 | |
Balance and HavenScore, 0–100, are population-weighted averages of each city’s scored ZIPs. All cities, every state →
93 counties with three or more scored ZIPs, from the strongest lean toward buyers to the strongest toward sellers.
| Rank | County | Market balance | HavenScore | |
|---|---|---|---|---|
| 1 | Warren County | −34 | 50 | |
| 2 | McDonough County | −30 | 51 | |
| 3 | Saline County | −30 | 52 | |
| 4 | Johnson County | −26 | 41 | |
| 5 | Williamson County | −23 | 53 | |
| 6 | Jefferson County | −22 | 49 | |
| 7 | Massac County | −19 | 56 | |
| 8 | Lawrence County | −15 | 51 | |
| 9 | Edgar County | −14 | 56 | |
| 10 | Union County | −14 | 46 | |
| 11 | Adams County | −13 | 53 | |
| 12 | Wabash County | −13 | 45 | |
Each county opens its page of the cheapest scored ZIPs.
Answers from the latest figures, each with its month.
As of September 2026, Illinois sits in our Leaning seller band, with an average HavenScore balance of +13 on a scale from −100 (buyers) to +100 (sellers), weighted by population across its 1,084 scored ZIPs.
As of August 2026, typical home values in Illinois had risen by an average of 5.3% over the previous 12 months, weighted by population across its 1,084 scored ZIPs (based on Zillow ZIP-level data).
As of September 2026, the ZIP-level median time on market in Illinois averaged 39 days, weighted by population across the 1,037 of its 1,084 scored ZIPs that report it, against 60 days for the median U.S. ZIP (based on Realtor.com ZIP-level data).
As of August 2026, the average typical home value in Illinois was $328K, weighted by population across its 1,084 scored ZIPs (based on Zillow ZIP-level data).
Every figure on this page, where it came from and when.
Rent and sale-to-list average only the ZIPs that report them.
Figures are population-weighted averages of the 1,084 scored ZIPs in Illinois.