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

Updated on March 13, 2026.

According to data from Realtor.com, the median house listing price in Williamson County, IL in February 2026 was $171,175. The month over month percentage change (MoM) was -0.0485%, and the year over year percentage change (YoY) was -0.2392%.

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

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

Data Source: Realtor.
Williamson County, IL Trend of Median House Listing Price ($)
Williamson County, IL Trend of Median House Listing Price
1 – 10 of 116
Month Price ($) MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 145500
Sep 2016 145800
Oct 2016 139975
Nov 2016 135000
Dec 2016 134950
Jan 2017 134900
Feb 2017 130950
Mar 2017 134925
Apr 2017 136250
May 2017 147950
Jun 2017 146425
Jul 2017 142500
Aug 2017 139900 -0.0182 -0.0385
Sep 2017 139900 0.0 -0.0405
Oct 2017 140000 0.0007 0.0002
Nov 2017 139900 -0.0007 0.0363
Dec 2017 139700 -0.0014 0.0352
Jan 2018 134500 -0.0372 -0.003
Feb 2018 129900 -0.0342 -0.008
Mar 2018 131625 0.0133 -0.0245
Apr 2018 131000 -0.0047 -0.0385
May 2018 134900 0.0298 -0.0882
Jun 2018 135000 0.0007 -0.078
Jul 2018 139700 0.0348 -0.0196
Aug 2018 137125 -0.0184 -0.0198
Sep 2018 129925 -0.0525 -0.0713
Oct 2018 136500 0.0506 -0.025
Nov 2018 129900 -0.0484 -0.0715
Dec 2018 128975 -0.0071 -0.0768
Jan 2019 129900 0.0072 -0.0342
Feb 2019 129450 -0.0035 -0.0035
Mar 2019 122300 -0.0552 -0.0708
Apr 2019 126264 0.0324 -0.0362
May 2019 133689 0.0588 -0.009
Jun 2019 137425 0.0279 0.018
Jul 2019 139900 0.018 0.0014
Aug 2019 136225 -0.0263 -0.0066
Sep 2019 132845 -0.0248 0.0225
Oct 2019 132764 -0.0006 -0.0274
Nov 2019 133809 0.0079 0.0301
Dec 2019 135450 0.0123 0.0502
Jan 2020 132900 -0.0188 0.0231
Feb 2020 129200 -0.0278 -0.0019
Mar 2020 125000 -0.0325 0.0221
Apr 2020 125000 0.0 -0.01
May 2020 124950 -0.0004 -0.0654
Jun 2020 129000 0.0324 -0.0613
Jul 2020 125600 -0.0264 -0.1022
Aug 2020 125350 -0.002 -0.0798
Sep 2020 120000 -0.0427 -0.0967
Oct 2020 122925 0.0244 -0.0741
Nov 2020 122000 -0.0075 -0.0883
Dec 2020 119900 -0.0172 -0.1148
Jan 2021 112975 -0.0578 -0.1499
Feb 2021 110000 -0.0263 -0.1486
Mar 2021 99950 -0.0914 -0.2004
Apr 2021 119400 0.1946 -0.0448
May 2021 129125 0.0814 0.0334
Jun 2021 119500 -0.0745 -0.0736
Jul 2021 114750 -0.0397 -0.0864
Aug 2021 119500 0.0414 -0.0467
Sep 2021 110950 -0.0715 -0.0754
Oct 2021 127725 0.1512 0.039
Nov 2021 123700 -0.0315 0.0139
Dec 2021 109850 -0.112 -0.0838
Jan 2022 117250 0.0674 0.0378
Feb 2022 117900 0.0055 0.0718
Mar 2022 119900 0.017 0.1996
Apr 2022 142225 0.1862 0.1912
May 2022 130950 -0.0793 0.0141
Jun 2022 133650 0.0206 0.1184
Jul 2022 132250 -0.0105 0.1525
Aug 2022 154950 0.1716 0.2967
Sep 2022 137500 -0.1126 0.2393
Oct 2022 129975 -0.0547 0.0176
Nov 2022 125000 -0.0383 0.0105
Dec 2022 127750 0.022 0.1629
Jan 2023 127500 -0.002 0.0874
Feb 2023 132500 0.0392 0.1238
Mar 2023 129975 -0.0191 0.084
Apr 2023 137450 0.0575 -0.0336
May 2023 145000 0.0549 0.1073
Jun 2023 130675 -0.0988 -0.0223
Jul 2023 172225 0.318 0.3023
Aug 2023 179900 0.0446 0.161
Sep 2023 163750 -0.0898 0.1909
Oct 2023 169750 0.0366 0.306
Nov 2023 167450 -0.0135 0.3396
Dec 2023 156474 -0.0655 0.2248
Jan 2024 149000 -0.0478 0.1686
Feb 2024 143450 -0.0372 0.0826
Mar 2024 158450 0.1046 0.2191
Apr 2024 159000 0.0035 0.1568
May 2024 180725 0.1366 0.2464
Jun 2024 208375 0.153 0.5946
Jul 2024 180000 -0.1362 0.0451
Aug 2024 180000 0.0 0.0006
Sep 2024 206900 0.1494 0.2635
Oct 2024 232363 0.1231 0.3689
Nov 2024 239550 0.0309 0.4306
Dec 2024 219000 -0.0858 0.3996
Jan 2025 217250 -0.008 0.4581
Feb 2025 224975 0.0356 0.5683
Mar 2025 225000 0.0001 0.42
Apr 2025 220000 -0.0222 0.3836
May 2025 220000 0.0 0.2173
Jun 2025 197900 -0.1005 -0.0503
Jul 2025 217450 0.0988 0.2081
Aug 2025 227725 0.0473 0.2651
Sep 2025 219950 -0.0341 0.0631
Oct 2025 215000 -0.0225 -0.0747
Nov 2025 207500 -0.0349 -0.1338
Dec 2025 179900 -0.133 -0.1785
Jan 2026 182450 0.0142 -0.1602
Feb 2026 179900 -0.014 -0.2004
Mar 2026 171175 -0.0485 -0.2392