Williamson County, IL Trend of Average House Listing Price (Realtor)

Updated on March 13, 2026.

According to data from Realtor.com, the average house listing price in Williamson County, IL in February 2026 was $211,350. The month over month percentage change (MoM) was -0.022%, and the year over year percentage change (YoY) was -0.213%.

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

The chart below shows the trend of the Williamson County, IL average house listing price. The table below shows the trend of the Williamson County, IL average house listing price, and the MoM and YoY percentage changes.

Data Source: Realtor.
Williamson County, IL Trend of Average House Listing Price ($)
Williamson County, IL Trend of Average House Listing Price
1 – 10 of 116
Month Price ($) MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 168410
Sep 2016 168726
Oct 2016 170635
Nov 2016 165720
Dec 2016 163374
Jan 2017 161278
Feb 2017 161071
Mar 2017 165187
Apr 2017 164303
May 2017 170832
Jun 2017 172679
Jul 2017 171614
Aug 2017 167159 -0.026 -0.0074
Sep 2017 170562 0.0204 0.0109
Oct 2017 172129 0.0092 0.0088
Nov 2017 169297 -0.0165 0.0216
Dec 2017 166031 -0.0193 0.0163
Jan 2018 157150 -0.0535 -0.0256
Feb 2018 156541 -0.0039 -0.0281
Mar 2018 163150 0.0422 -0.0123
Apr 2018 160825 -0.0143 -0.0212
May 2018 161951 0.007 -0.052
Jun 2018 165436 0.0215 -0.0419
Jul 2018 165409 -0.0002 -0.0362
Aug 2018 161044 -0.0264 -0.0366
Sep 2018 157038 -0.0249 -0.0793
Oct 2018 160214 0.0202 -0.0692
Nov 2018 159216 -0.0062 -0.0595
Dec 2018 159732 0.0032 -0.0379
Jan 2019 158919 -0.0051 0.0113
Feb 2019 156852 -0.013 0.002
Mar 2019 151603 -0.0335 -0.0708
Apr 2019 155993 0.029 -0.03
May 2019 162743 0.0433 0.0049
Jun 2019 166663 0.0241 0.0074
Jul 2019 164826 -0.011 -0.0035
Aug 2019 162661 -0.0131 0.01
Sep 2019 160125 -0.0156 0.0197
Oct 2019 158248 -0.0117 -0.0123
Nov 2019 157646 -0.0038 -0.0099
Dec 2019 157063 -0.0037 -0.0167
Jan 2020 156514 -0.0035 -0.0151
Feb 2020 155709 -0.0051 -0.0073
Mar 2020 156849 0.0073 0.0346
Apr 2020 157679 0.0053 0.0108
May 2020 155420 -0.0143 -0.045
Jun 2020 158678 0.021 -0.0479
Jul 2020 150933 -0.0488 -0.0843
Aug 2020 155364 0.0294 -0.0449
Sep 2020 152828 -0.0163 -0.0456
Oct 2020 162987 0.0665 0.0299
Nov 2020 162220 -0.0047 0.029
Dec 2020 165212 0.0184 0.0519
Jan 2021 160384 -0.0292 0.0247
Feb 2021 168814 0.0526 0.0842
Mar 2021 170947 0.0126 0.0899
Apr 2021 177596 0.0389 0.1263
May 2021 185777 0.0461 0.1953
Jun 2021 190541 0.0256 0.2008
Jul 2021 189255 -0.0067 0.2539
Aug 2021 196841 0.0401 0.267
Sep 2021 195475 -0.0069 0.279
Oct 2021 210718 0.078 0.2928
Nov 2021 233127 0.1063 0.4371
Dec 2021 229531 -0.0154 0.3893
Jan 2022 217633 -0.0518 0.357
Feb 2022 223043 0.0249 0.3212
Mar 2022 243374 0.0912 0.4237
Apr 2022 272533 0.1198 0.5346
May 2022 260548 -0.044 0.4025
Jun 2022 256974 -0.0137 0.3487
Jul 2022 243054 -0.0542 0.2843
Aug 2022 238727 -0.0178 0.2128
Sep 2022 227477 -0.0471 0.1637
Oct 2022 218028 -0.0415 0.0347
Nov 2022 186199 -0.146 -0.2013
Dec 2022 198250 0.0647 -0.1363
Jan 2023 217776 0.0985 0.0007
Feb 2023 218689 0.0042 -0.0195
Mar 2023 231483 0.0585 -0.0489
Apr 2023 238185 0.029 -0.126
May 2023 259010 0.0874 -0.0059
Jun 2023 263741 0.0183 0.0263
Jul 2023 300550 0.1396 0.2366
Aug 2023 288175 -0.0412 0.2071
Sep 2023 259042 -0.1011 0.1388
Oct 2023 261926 0.0111 0.2013
Nov 2023 255488 -0.0246 0.3721
Dec 2023 246183 -0.0364 0.2418
Jan 2024 240235 -0.0242 0.1031
Feb 2024 236729 -0.0146 0.0825
Mar 2024 256463 0.0834 0.1079
Apr 2024 259856 0.0132 0.091
May 2024 272002 0.0467 0.0502
Jun 2024 285269 0.0488 0.0816
Jul 2024 259910 -0.0889 -0.1352
Aug 2024 261998 0.008 -0.0908
Sep 2024 268964 0.0266 0.0383
Oct 2024 288350 0.0721 0.1009
Nov 2024 291219 0.0099 0.1399
Dec 2024 272820 -0.0632 0.1082
Jan 2025 254335 -0.0678 0.0587
Feb 2025 259959 0.0221 0.0981
Mar 2025 268560 0.0331 0.0472
Apr 2025 264860 -0.0138 0.0193
May 2025 265278 0.0016 -0.0247
Jun 2025 252124 -0.0496 -0.1162
Jul 2025 257600 0.0217 -0.0089
Aug 2025 259659 0.008 -0.0089
Sep 2025 253010 -0.0256 -0.0593
Oct 2025 256432 0.0135 -0.1107
Nov 2025 241455 -0.0584 -0.1709
Dec 2025 221707 -0.0818 -0.1874
Jan 2026 217609 -0.0185 -0.1444
Feb 2026 216106 -0.0069 -0.1687
Mar 2026 211350 -0.022 -0.213