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

Updated on March 13, 2026.

According to data from Realtor.com, the median house listing price per square feet in Williamson County, IL in February 2026 was $115. The month over month percentage change (MoM) was -0.0005%, and the year over year percentage change (YoY) was -0.1056%.

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

Data Source: Realtor.
Williamson County, IL Trend of Median House Listing Price Per Square Feet ($)
Williamson County, IL Trend of Median House Listing Price Per Square Feet
1 – 10 of 116
Month Price ($) MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 78
Sep 2016 77
Oct 2016 76
Nov 2016 74
Dec 2016 73
Jan 2017 73
Feb 2017 73
Mar 2017 74
Apr 2017 77
May 2017 77
Jun 2017 80
Jul 2017 79
Aug 2017 77 -0.024 -0.0042
Sep 2017 76 -0.0103 -0.0111
Oct 2017 79 0.0267 0.0391
Nov 2017 79 0.0039 0.0636
Dec 2017 78 -0.0063 0.0798
Jan 2018 76 -0.0329 0.0423
Feb 2018 76 -0.0004 0.0312
Mar 2018 76 0.0035 0.0218
Apr 2018 76 -0.0028 -0.0126
May 2018 76 -0.0029 -0.0215
Jun 2018 75 -0.0084 -0.0625
Jul 2018 75 0.006 -0.0481
Aug 2018 76 0.0021 -0.0226
Sep 2018 75 -0.0051 -0.0175
Oct 2018 76 0.0112 -0.0323
Nov 2018 76 -0.0044 -0.0404
Dec 2018 75 -0.0093 -0.0433
Jan 2019 74 -0.0111 -0.0217
Feb 2019 73 -0.0107 -0.0318
Mar 2019 72 -0.0167 -0.0513
Apr 2019 74 0.0202 -0.0294
May 2019 75 0.0183 -0.0087
Jun 2019 75 0.0069 0.0065
Jul 2019 78 0.0312 0.0317
Aug 2019 78 0.008 0.0378
Sep 2019 78 -0.008 0.0348
Oct 2019 78 -0.0019 0.0213
Nov 2019 78 0.003 0.029
Dec 2019 78 -0.0004 0.0382
Jan 2020 77 -0.0149 0.0342
Feb 2020 75 -0.0162 0.0284
Mar 2020 74 -0.0123 0.033
Apr 2020 74 -0.0019 0.0107
May 2020 74 0.0015 -0.006
Jun 2020 78 0.0496 0.0363
Jul 2020 76 -0.0259 -0.0211
Aug 2020 75 -0.0173 -0.0457
Sep 2020 74 -0.007 -0.0447
Oct 2020 74 -0.0016 -0.0443
Nov 2020 75 0.0104 -0.0373
Dec 2020 74 -0.0112 -0.0478
Jan 2021 73 -0.0081 -0.0411
Feb 2021 73 -0.005 -0.0302
Mar 2021 73 0.0038 -0.0144
Apr 2021 77 0.0557 0.0425
May 2021 80 0.032 0.0743
Jun 2021 77 -0.0402 -0.0177
Jul 2021 81 0.054 0.0629
Aug 2021 78 -0.0415 0.0367
Sep 2021 77 -0.0014 0.0426
Oct 2021 81 0.0499 0.0964
Nov 2021 83 0.0212 0.1082
Dec 2021 78 -0.0597 0.0538
Jan 2022 78 0.0055 0.0683
Feb 2022 78 -0.0037 0.0697
Mar 2022 85 0.082 0.153
Apr 2022 96 0.1378 0.2426
May 2022 92 -0.0485 0.1455
Jun 2022 87 -0.0516 0.1319
Jul 2022 94 0.0876 0.168
Aug 2022 97 0.0217 0.245
Sep 2022 88 -0.0926 0.1312
Oct 2022 84 -0.0372 0.0373
Nov 2022 87 0.0321 0.0484
Dec 2022 88 0.0135 0.1301
Jan 2023 88 0.0013 0.1252
Feb 2023 92 0.0384 0.1727
Mar 2023 89 -0.0268 0.0549
Apr 2023 91 0.016 -0.058
May 2023 95 0.0467 0.0363
Jun 2023 90 -0.0498 0.0383
Jul 2023 107 0.1894 0.1354
Aug 2023 110 0.0253 0.1395
Sep 2023 103 -0.0674 0.1712
Oct 2023 104 0.0144 0.234
Nov 2023 104 -0.0013 0.194
Dec 2023 101 -0.0252 0.1484
Jan 2024 104 0.0221 0.1723
Feb 2024 99 -0.0432 0.0802
Mar 2024 104 0.0451 0.1599
Apr 2024 101 -0.0243 0.1139
May 2024 111 0.0997 0.1702
Jun 2024 120 0.0832 0.3341
Jul 2024 112 -0.0724 0.0404
Aug 2024 111 -0.0015 0.0132
Sep 2024 117 0.0532 0.1443
Oct 2024 123 0.0439 0.1776
Nov 2024 128 0.0444 0.2315
Dec 2024 126 -0.0171 0.2417
Jan 2025 124 -0.011 0.2014
Feb 2025 128 0.0279 0.2906
Mar 2025 128 0.0017 0.2371
Apr 2025 129 0.0098 0.2804
May 2025 124 -0.0405 0.1171
Jun 2025 124 -0.0007 0.0306
Jul 2025 126 0.0136 0.1262
Aug 2025 125 -0.0041 0.1232
Sep 2025 122 -0.0234 0.0415
Oct 2025 127 0.0364 0.034
Nov 2025 120 -0.0531 -0.0625
Dec 2025 116 -0.0359 -0.0804
Jan 2026 114 -0.011 -0.0804
Feb 2026 115 0.0019 -0.1036
Mar 2026 115 -0.0005 -0.1056