Most overheated rental markets in Illinois

Name: Most Overheated Rental Markets in Illinois by Rent Reality Score
Creator: RentDataNow

Cities in Illinois renting furthest above their own 10-year trend, ranked by Rent Reality Score. Updated monthly.

Key findings

Collinsville ranks first, with a Rent Reality Score of 31.
Across all 60 cities on this list, the median rent is $1,920/mo.

Data as of September 2026. RentDataNow's Rent Reality Score compares each city's current rent with its own 10-year trend. High-confidence trends only. Updated monthly. Download this list (CSV)

Best value (RRS)Overheated (RRS)Most affordable Most expensive Rent falling Rent rising Best rent/income Most rent-burdened Record-high rent Seasonal swings Rent vs. income

60 cities

Rank	City	Score	Median rent	Vs. trend	1-yr change
01	CollinsvilleIL Pop. 24KCompare →	31	$1,161/mo	+9.7%	+19.8%
02	ChicagoIL Pop. 2.7MCompare →	34	$2,311/mo	+8.0%	+5.8%
03	JolietIL Pop. 150KCompare →	37	$1,675/mo	+6.3%	+6.3%
04	Oak ParkIL Pop. 53KCompare →	37	$2,044/mo	+6.5%	+5.3%
05	UrbanaIL Pop. 39KCompare →	39	$1,348/mo	+5.6%	+5.6%
06	RockfordIL Pop. 148KCompare →	40	$1,227/mo	+5.2%	+7.3%
07	ChampaignIL Pop. 90KCompare →	40	$1,466/mo	+4.8%	+4.9%
08	EvanstonIL Pop. 76KCompare →	45	$2,438/mo	+2.5%	+3.6%
09	DekalbIL Pop. 40KCompare →	45	$1,320/mo	+2.6%	+7.9%
10	O FallonIL Pop. 32KCompare →	45	$1,631/mo	+2.5%	+6.7%
11	PlainfieldIL Pop. 47KCompare →	46	$3,027/mo	+2.2%	+2.8%
12	EdwardsvilleIL Pop. 26KCompare →	46	$1,588/mo	+2.1%	+7.6%
13	ElginIL Pop. 115KCompare →	47	$1,923/mo	+1.4%	+3.5%
14	PalatineIL Pop. 66KCompare →	47	$1,895/mo	+1.7%	+2.2%
15	SchaumburgIL Pop. 77KCompare →	48	$2,125/mo	+1.0%	+4.0%
16	Des PlainesIL Pop. 59KCompare →	48	$2,079/mo	+1.0%	+6.4%
17	BellevilleIL Pop. 41KCompare →	48	$1,120/mo	+1.2%	+3.2%
18	AuroraIL Pop. 180KCompare →	49	$2,294/mo	+0.7%	+3.0%
19	PeoriaIL Pop. 112KCompare →	49	$1,240/mo	+0.5%	+3.9%
20	MarionIL Pop. 17KCompare →	49	$1,113/mo	+0.4%	0.0%
21	SpringfieldIL Pop. 113KCompare →	50	$1,178/mo	+0.2%	+4.3%
22	WaukeganIL Pop. 89KCompare →	50	$1,660/mo	+0.0%	+2.7%
23	Orland ParkIL Pop. 58KCompare →	50	$2,713/mo	-0.2%	+4.5%
24	Oak LawnIL Pop. 57KCompare →	52	$1,717/mo	-1.1%	+3.8%
25	BerwynIL Pop. 56KCompare →	52	$1,485/mo	-0.9%	+2.3%
26	GlenviewIL Pop. 48KCompare →	52	$2,601/mo	-0.8%	+2.2%
27	NorthbrookIL Pop. 35KCompare →	52	$3,014/mo	-0.9%	+4.8%
28	GenevaIL Pop. 21KCompare →	52	$2,002/mo	-1.0%	+4.5%
29	Rock IslandIL Pop. 36KCompare →	53	$932/mo	-1.6%	+6.2%
30	GurneeIL Pop. 31KCompare →	53	$1,944/mo	-1.5%	+4.1%
31	NapervilleIL Pop. 151KCompare →	54	$2,236/mo	-1.8%	+2.0%
32	LombardIL Pop. 44KCompare →	54	$2,094/mo	-1.9%	+2.9%
33	CarbondaleIL Pop. 22KCompare →	54	$673/mo	-1.9%	+4.2%
34	Elk Grove VillageIL Pop. 32KCompare →	55	$1,833/mo	-2.4%	+3.3%
35	BloomingtonIL Pop. 79KCompare →	56	$1,270/mo	-3.1%	+5.0%
36	SkokieIL Pop. 66KCompare →	56	$2,371/mo	-3.0%	+5.1%
37	Downers GroveIL Pop. 50KCompare →	56	$2,248/mo	-2.9%	+4.0%
38	MolineIL Pop. 42KCompare →	56	$1,090/mo	-3.1%	+2.6%
39	DecaturIL Pop. 70KCompare →	57	$1,057/mo	-3.4%	+5.2%
40	BolingbrookIL Pop. 74KCompare →	59	$2,742/mo	-4.6%	+4.7%
41	WoodridgeIL Pop. 34KCompare →	59	$1,638/mo	-4.5%	+1.6%
42	Vernon HillsIL Pop. 27KCompare →	59	$2,587/mo	-4.4%	+3.7%
43	Rolling MeadowsIL Pop. 24KCompare →	59	$2,061/mo	-4.7%	+6.3%
44	LisleIL Pop. 23KCompare →	59	$1,919/mo	-4.6%	+5.1%
45	ElmhurstIL Pop. 46KCompare →	60	$2,453/mo	-5.2%	+3.9%
46	Calumet CityIL Pop. 35KCompare →	61	$1,536/mo	-5.3%	+1.0%
47	RomeovilleIL Pop. 41KCompare →	62	$2,073/mo	-6.2%	+1.6%
48	Arlington HeightsIL Pop. 76KCompare →	63	$1,999/mo	-6.6%	+1.0%
49	NormalIL Pop. 54KCompare →	63	$1,390/mo	-6.3%	+4.5%
50	Hoffman EstatesIL Pop. 51KCompare →	63	$2,039/mo	-6.6%	+3.9%