Saint Clair County, Illinois - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted (Zillow)

Updated on March 22, 2026.

According to data from Zillow.com, the smoothed and seasonally adjusted Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily in Saint Clair County, Illinois in February 2026 was $1,272.647. The month over month percentage change (MoM) was 0.39%, and the year over year percentage change (YoY) was 4.97%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for Saint Clair County, IL. The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for Saint Clair County, IL.

You can see similar information for other Illinois counties.

Note: Zillow Observed Rent Index (ZORI) is a smoothed measure of the typical observed market rate rent across a given region. ZORI is a repeat-rent index that is weighted to the rental housing stock to ensure representativeness across the entire market, not just homes currently listed for-rent.

Data Source: Zillow.
Saint Clair County, IL - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
Saint Clair County, IL - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 743.310102551721 356.02 NaN
Feb 2015 743.058717487484 -0.03 NaN
Mar 2015 744.8867326662586 0.25 NaN
Apr 2015 748.8815509161029 0.54 NaN
May 2015 752.7224599020292 0.51 NaN
Jun 2015 754.1226303789798 0.19 NaN
Jul 2015 750.9798264600539 -0.42 NaN
Aug 2015 753.1170274589657 0.28 NaN
Sep 2015 753.0426908230501 -0.01 NaN
Oct 2015 755.8366824732947 0.37 NaN
Nov 2015 754.5317242880678 -0.17 4338.42
Dec 2015 752.2852032507492 -0.30 361.53
Jan 2016 753.5530007111092 0.17 1.38
Feb 2016 756.7179095161283 0.42 1.84
Mar 2016 761.4030322524081 0.62 2.22
Apr 2016 762.9919873546863 0.21 1.88
May 2016 764.455192227363 0.19 1.56
Jun 2016 763.3733860937433 -0.14 1.23
Jul 2016 766.7713708650832 0.45 2.10
Aug 2016 765.7772362685531 -0.13 1.68
Sep 2016 768.7056563308876 0.38 2.08
Oct 2016 766.0466297045687 -0.35 1.35
Nov 2016 769.4557832590237 0.45 1.98
Dec 2016 769.0688818215282 -0.05 2.23
Jan 2017 772.5611622864571 0.45 2.52
Feb 2017 773.6365727350103 0.14 2.24
Mar 2017 777.6021411572127 0.51 2.13
Apr 2017 778.7008834251952 0.14 2.06
May 2017 778.9996979774719 0.04 1.90
Jun 2017 782.1798256765179 0.41 2.46
Jul 2017 786.5100353018119 0.55 2.57
Aug 2017 790.5507799630717 0.51 3.24
Sep 2017 789.6431920430695 -0.11 2.72
Oct 2017 788.9654829212327 -0.09 2.99
Nov 2017 789.3837322305995 0.05 2.59
Dec 2017 795.5322545694925 0.78 3.44
Jan 2018 797.557926642571 0.26 3.24
Feb 2018 799.74278033394 0.27 3.37
Mar 2018 794.5253326634868 -0.65 2.18
Apr 2018 795.4088323219624 0.11 2.15
May 2018 797.5338460717009 0.27 2.38
Jun 2018 802.3063427725965 0.60 2.57
Jul 2018 806.4515786928002 0.52 2.54
Aug 2018 810.8966429566229 0.55 2.57
Sep 2018 812.2836126461283 0.17 2.87
Oct 2018 818.5493048472055 0.77 3.75
Nov 2018 819.6148640447423 0.13 3.83
Dec 2018 819.7989415941832 0.02 3.05
Jan 2019 820.8559638501146 0.13 2.92
Feb 2019 824.7637496134204 0.48 3.13
Mar 2019 830.8948553537462 0.74 4.58
Apr 2019 834.2481071010142 0.40 4.88
May 2019 837.1037179660467 0.34 4.96
Jun 2019 836.9945471158346 -0.01 4.32
Jul 2019 836.0040057332249 -0.12 3.67
Aug 2019 835.6138888413111 -0.05 3.05
Sep 2019 839.2431866254063 0.43 3.32
Oct 2019 839.9764207108204 0.09 2.62
Nov 2019 842.9698965171938 0.36 2.85
Dec 2019 844.5149278452703 0.18 3.02
Jan 2020 846.3564571025851 0.22 3.11
Feb 2020 846.1755045171486 -0.02 2.60
Mar 2020 848.2305577186748 0.24 2.09
Apr 2020 850.9420090590195 0.32 2.00
May 2020 855.4728352502804 0.53 2.19
Jun 2020 859.478621784665 0.47 2.69
Jul 2020 865.5407445605932 0.71 3.53
Aug 2020 873.3488255084546 0.90 4.52
Sep 2020 883.3327861750854 1.14 5.25
Oct 2020 885.429654424395 0.24 5.41
Nov 2020 890.8297716488507 0.61 5.68
Dec 2020 895.5250855225808 0.53 6.04
Jan 2021 897.6848440910115 0.24 6.07
Feb 2021 895.8921728268145 -0.20 5.88
Mar 2021 899.623504739597 0.42 6.06
Apr 2021 917.7932311459933 2.02 7.86
May 2021 930.2085811894717 1.35 8.74
Jun 2021 938.1411727546002 0.85 9.15
Jul 2021 940.682850042798 0.27 8.68
Aug 2021 948.0332804663684 0.78 8.55
Sep 2021 958.0339224070179 1.06 8.46
Oct 2021 965.6970672529314 0.80 9.07
Nov 2021 974.5105440266485 0.91 9.39
Dec 2021 976.8201339044679 0.24 9.08
Jan 2022 992.9430189051908 1.65 10.61
Feb 2022 1005.6091085211282 1.28 12.25
Mar 2022 1014.5174785477668 0.89 12.77
Apr 2022 1008.2288452191472 -0.62 9.85
May 2022 1009.907782742377 0.17 8.57
Jun 2022 1022.9251139750203 1.29 9.04
Jul 2022 1035.6695346836477 1.25 10.10
Aug 2022 1040.7933074667967 0.50 9.78
Sep 2022 1039.3795043973741 -0.14 8.49
Oct 2022 1044.7362327262708 0.52 8.19
Nov 2022 1047.5977157855723 0.27 7.50
Dec 2022 1054.5073882862662 0.66 7.95
Jan 2023 1060.6219061983716 0.58 6.82
Feb 2023 1066.551627408231 0.56 6.06
Mar 2023 1073.0149347864394 0.61 5.77
Apr 2023 1074.5367198882293 0.14 6.58
May 2023 1081.4736915604717 0.65 7.09
Jun 2023 1090.3870807767885 0.82 6.60
Jul 2023 1097.59223880474 0.66 5.98
Aug 2023 1098.7708742693073 0.11 5.57
Sep 2023 1104.0916939398137 0.48 6.23
Oct 2023 1108.3745432183593 0.39 6.09
Nov 2023 1119.3143900981813 0.99 6.85
Dec 2023 1122.4603322348678 0.28 6.44
Jan 2024 1123.9956417703788 0.14 5.98
Feb 2024 1134.0118502055875 0.89 6.33
Mar 2024 1140.6603712480492 0.59 6.30
Apr 2024 1147.5553728317298 0.60 6.80
May 2024 1152.1083258268613 0.40 6.53
Jun 2024 1156.2951971543607 0.36 6.04
Jul 2024 1168.7382537070475 1.08 6.48
Aug 2024 1172.2959037138673 0.30 6.69
Sep 2024 1179.9175107786803 0.65 6.87
Oct 2024 1187.3039792083687 0.63 7.12
Nov 2024 1193.0274792588214 0.48 6.59
Dec 2024 1208.313991467776 1.28 7.65
Jan 2025 1210.7408153375109 0.20 7.72
Feb 2025 1212.4084220942468 0.14 6.91
Mar 2025 1217.1384667488403 0.39 6.71
Apr 2025 1227.090188555053 0.82 6.93
May 2025 1234.3903193824606 0.60 7.14
Jun 2025 1238.3870820711863 0.32 7.10
Jul 2025 1236.758163058214 -0.13 5.82
Aug 2025 1246.7634129422972 0.81 6.35
Sep 2025 1252.5553596159718 0.47 6.16
Oct 2025 1257.3488586935007 0.38 5.90
Nov 2025 1260.2625249971522 0.23 5.64
Dec 2025 1258.7220153045644 -0.12 4.17
Jan 2026 1267.6647760901585 0.71 4.70
Feb 2026 1272.647268457482 0.39 4.97