Williamson County, Illinois - Trend of Zillow Home Value Index (ZHVI) for All Homes - Top Tier (Zillow)

Updated on March 22, 2026.

According to data from Zillow.com, the Top Tier Zillow home value index (ZHVI) for All Homes in Williamson County, Illinois in February 2026 was $271,623.686. The month over month percentage change (MoM) was 0.50%, and the year over year percentage change (YoY) was 2.69%.

The chart below shows the trend of the top tier ZHVI for all homes in Williamson County, IL. The table below shows the trend of the top tier ZHVI, and the MoM and YoY percentage changes for all homes in Williamson County, IL.

You can see similar information for other Illinois counties, and for Illinois.

Note: The Top Tier Zillow Home Value Index (ZHVI) for all Homes is a measure of the typical home value and market changes across a given region and housing type. It reflects the typical value for homes in the 65th to 95th percentile range.

Data Source: Zillow.
Williamson County, IL - Trend of Zillow Home Value Index (ZHVI) - Top Tier ($)
Williamson County, IL - Trend of Zillow Home Value Index (ZHVI) - Top Tier
1 – 10 of 134
Month ZHVI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 189375.8992365282 0.55 3.43
Feb 2015 189873.75597808673 0.26 3.60
Mar 2015 190428.2561737921 0.29 3.72
Apr 2015 191243.3062408217 0.43 4.35
May 2015 191774.894850299 0.28 4.52
Jun 2015 191717.37215559153 -0.03 3.68
Jul 2015 191345.51089574528 -0.19 2.33
Aug 2015 191409.25093043534 0.03 1.50
Sep 2015 191439.41374152535 0.02 1.37
Oct 2015 191589.4489935833 0.08 1.83
Nov 2015 191744.9057337735 0.08 2.16
Dec 2015 192002.9838470214 0.14 1.95
Jan 2016 192948.54175082667 0.49 1.89
Feb 2016 194634.41600969445 0.87 2.51
Mar 2016 196387.32284287605 0.90 3.13
Apr 2016 197315.25088170872 0.47 3.18
May 2016 197096.8829681245 -0.11 2.78
Jun 2016 196354.25482244382 -0.38 2.42
Jul 2016 195022.72204420672 -0.68 1.92
Aug 2016 194253.8120620314 -0.39 1.49
Sep 2016 193768.97091652162 -0.25 1.22
Oct 2016 194373.56277018948 0.31 1.45
Nov 2016 194675.64266627587 0.16 1.53
Dec 2016 195236.9815020247 0.29 1.68
Jan 2017 195361.9655832931 0.06 1.25
Feb 2017 195733.70991881704 0.19 0.56
Mar 2017 196112.92762468525 0.19 -0.14
Apr 2017 196576.87697291697 0.24 -0.37
May 2017 196335.80930824173 -0.12 -0.39
Jun 2017 195518.01401829603 -0.42 -0.43
Jul 2017 194688.33395263724 -0.42 -0.17
Aug 2017 194460.6568662153 -0.12 0.11
Sep 2017 194890.2940531063 0.22 0.58
Oct 2017 195298.66740072172 0.21 0.48
Nov 2017 195687.4855379566 0.20 0.52
Dec 2017 195972.94261611335 0.15 0.38
Jan 2018 196250.08122978266 0.14 0.46
Feb 2018 196057.41981746908 -0.10 0.17
Mar 2018 196446.09960131336 0.20 0.17
Apr 2018 196987.64362665775 0.28 0.21
May 2018 197667.7049205505 0.35 0.68
Jun 2018 197194.77129890036 -0.24 0.86
Jul 2018 196863.4834325783 -0.17 1.12
Aug 2018 196509.4615314327 -0.18 1.05
Sep 2018 196610.52974187632 0.05 0.88
Oct 2018 195720.36157115866 -0.45 0.22
Nov 2018 194484.7653772379 -0.63 -0.61
Dec 2018 193353.76927291253 -0.58 -1.34
Jan 2019 192505.0743550886 -0.44 -1.91
Feb 2019 192492.2569037023 -0.01 -1.82
Mar 2019 192835.87953857015 0.18 -1.84
Apr 2019 194428.74096735517 0.83 -1.30
May 2019 196622.35616056516 1.13 -0.53
Jun 2019 198869.11043560854 1.14 0.85
Jul 2019 200211.23592992427 0.68 1.70
Aug 2019 200878.3919226375 0.33 2.22
Sep 2019 200960.86678335644 0.04 2.21
Oct 2019 200919.7212155218 -0.02 2.66
Nov 2019 200901.00013579652 -0.01 3.30
Dec 2019 201023.5019216943 0.06 3.97
Jan 2020 200292.96639817298 -0.36 4.05
Feb 2020 199189.2387725541 -0.55 3.48
Mar 2020 198176.7939846973 -0.51 2.77
Apr 2020 198436.22028874943 0.13 2.06
May 2020 198625.7856625619 0.10 1.02
Jun 2020 199200.41653285944 0.29 0.17
Jul 2020 200663.64715367896 0.74 0.23
Aug 2020 203873.98025493382 1.60 1.49
Sep 2020 207575.41118594457 1.82 3.29
Oct 2020 210037.56792319947 1.19 4.54
Nov 2020 211416.81972729033 0.66 5.23
Dec 2020 211875.73125952206 0.22 5.40
Jan 2021 212623.5484511793 0.35 6.16
Feb 2021 213830.84564243615 0.57 7.35
Mar 2021 214832.66048920108 0.47 8.40
Apr 2021 215961.21406389415 0.53 8.83
May 2021 217238.55516120826 0.59 9.37
Jun 2021 219663.0578279236 1.12 10.27
Jul 2021 221498.06160912337 0.84 10.38
Aug 2021 221604.6398435541 0.05 8.70
Sep 2021 220683.79146257127 -0.42 6.32
Oct 2021 221825.18379189903 0.52 5.61
Nov 2021 225692.89291277624 1.74 6.75
Dec 2021 230769.96737553203 2.25 8.92
Jan 2022 235162.69947177346 1.90 10.60
Feb 2022 238788.9877237312 1.54 11.67
Mar 2022 242705.97322193827 1.64 12.97
Apr 2022 245983.4128551546 1.35 13.90
May 2022 248254.5327258096 0.92 14.28
Jun 2022 249072.36699284994 0.33 13.39
Jul 2022 248736.79301060372 -0.13 12.30
Aug 2022 248020.10462990915 -0.29 11.92
Sep 2022 247150.33947648504 -0.35 11.99
Oct 2022 246981.1998360265 -0.07 11.34
Nov 2022 246482.2266559212 -0.20 9.21
Dec 2022 246318.12546279447 -0.07 6.74
Jan 2023 246571.63979552677 0.10 4.85
Feb 2023 246571.9362888822 0.00 3.26
Mar 2023 246712.79350886794 0.06 1.65
Apr 2023 247432.98868766997 0.29 0.59
May 2023 249327.79186123796 0.77 0.43
Jun 2023 251541.00933443502 0.89 0.99
Jul 2023 253115.82771066867 0.63 1.76
Aug 2023 254227.43718799777 0.44 2.50
Sep 2023 254726.8133893901 0.20 3.07
Oct 2023 255110.79111951776 0.15 3.29
Nov 2023 255594.0370204534 0.19 3.70
Dec 2023 256063.5729526153 0.18 3.96
Jan 2024 255894.02425519444 -0.07 3.78
Feb 2024 256117.28733571642 0.09 3.87
Mar 2024 256826.1643081567 0.28 4.10
Apr 2024 257812.8063687497 0.38 4.20
May 2024 257957.5557521674 0.06 3.46
Jun 2024 257591.26622678267 -0.14 2.40
Jul 2024 257331.66475531048 -0.10 1.67
Aug 2024 258131.87369370952 0.31 1.54
Sep 2024 259102.85073383737 0.38 1.72
Oct 2024 260562.57861369537 0.56 2.14
Nov 2024 261989.27565837908 0.55 2.50
Dec 2024 263087.06653831655 0.42 2.74
Jan 2025 263942.9787710898 0.33 3.15
Feb 2025 264507.55320352723 0.21 3.28
Mar 2025 264991.9926503017 0.18 3.18
Apr 2025 265280.7263413821 0.11 2.90
May 2025 265249.4699139757 -0.01 2.83
Jun 2025 265260.025462571 0.00 2.98
Jul 2025 264898.3390148601 -0.14 2.94
Aug 2025 264892.30521989823 0.00 2.62
Sep 2025 265330.7595345 0.17 2.40
Oct 2025 266362.179559127 0.39 2.23
Nov 2025 267662.24142115196 0.49 2.17
Dec 2025 269101.4636141545 0.54 2.29
Jan 2026 270265.036265076 0.43 2.40
Feb 2026 271623.68563465495 0.50 2.69