O Fallon (City), Illinois - Trend of Zillow Home Value Index (ZHVI) for All Homes (SFR, Condo/Co-op), Smooth and Seasonally Adjusted (Zillow)

Updated on March 22, 2026.

According to data from Zillow.com, the smoothed and seasonally adjusted Zillow home value index (ZHVI) for All Homes (SFR, Condo/Co-op) in O Fallon (City), Illinois in February 2026 was $302,799.248. The month over month percentage change (MoM) was 0.19%, and the year over year percentage change (YoY) was 4.23%.

The chart below shows the trend of the smoothed and seasonally adjusted ZHVI for O Fallon (City), IL. The table below shows the trend of the smoothed and seasonally adjusted ZHVI, and the MoM and YoY percentage changes for O Fallon (City), IL.

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

Note: Zillow Home Value Index (ZHVI) 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 35th to 65th percentile range.

Data Source: Zillow.
O Fallon (City), IL - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted ($)
O Fallon (City), IL - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZHVI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 176996.03238273913 0.02 1.19
Feb 2015 177253.16220720252 0.14 1.36
Mar 2015 177132.75065583558 -0.07 1.51
Apr 2015 177386.76728275124 0.14 1.64
May 2015 177637.9704517983 0.14 1.47
Jun 2015 178138.5498904436 0.28 1.26
Jul 2015 178412.16395596918 0.15 1.10
Aug 2015 178634.0534144876 0.12 1.20
Sep 2015 178849.63883548087 0.12 1.42
Oct 2015 179449.21005529215 0.34 1.69
Nov 2015 180088.17825972373 0.36 1.99
Dec 2015 180784.58155908718 0.39 2.16
Jan 2016 181418.16754640223 0.35 2.50
Feb 2016 182077.01436925936 0.36 2.72
Mar 2016 182560.59217102593 0.27 3.06
Apr 2016 183239.94765772004 0.37 3.30
May 2016 183893.28339488394 0.36 3.52
Jun 2016 184862.68379453837 0.53 3.78
Jul 2016 185428.2736801432 0.31 3.93
Aug 2016 185759.45565610088 0.18 3.99
Sep 2016 185768.53148581155 0.01 3.87
Oct 2016 185712.24116335993 -0.03 3.49
Nov 2016 185661.8740909402 -0.03 3.10
Dec 2016 185898.1914871252 0.13 2.83
Jan 2017 186211.24540268726 0.17 2.64
Feb 2017 186987.98710221355 0.42 2.70
Mar 2017 187877.92584960445 0.48 2.91
Apr 2017 189412.3845121892 0.82 3.37
May 2017 190863.05318955693 0.77 3.79
Jun 2017 192111.88531015697 0.65 3.92
Jul 2017 192820.90973541673 0.37 3.99
Aug 2017 193453.95002303293 0.33 4.14
Sep 2017 194313.0101685503 0.44 4.60
Oct 2017 195507.55489652723 0.62 5.27
Nov 2017 196681.82896169423 0.60 5.94
Dec 2017 197754.657797389 0.55 6.38
Jan 2018 198344.5923736253 0.30 6.52
Feb 2018 198784.83740166898 0.22 6.31
Mar 2018 199284.6776173607 0.25 6.07
Apr 2018 199779.64074779386 0.25 5.47
May 2018 199943.6080082863 0.08 4.76
Jun 2018 200221.72422334133 0.14 4.22
Jul 2018 200828.9493854293 0.30 4.15
Aug 2018 201591.5680400784 0.38 4.21
Sep 2018 201978.78213957223 0.19 3.95
Oct 2018 201932.85419659797 -0.02 3.29
Nov 2018 202302.52834612652 0.18 2.86
Dec 2018 202943.6192159987 0.32 2.62
Jan 2019 204210.63989160667 0.62 2.96
Feb 2019 205938.61236860216 0.85 3.60
Mar 2019 207378.84566984104 0.70 4.06
Apr 2019 207595.68659963735 0.11 3.91
May 2019 206595.7455926965 -0.48 3.33
Jun 2019 204974.26827475138 -0.78 2.37
Jul 2019 203583.79308292168 -0.68 1.37
Aug 2019 202468.4707050149 -0.55 0.44
Sep 2019 201724.81222723107 -0.37 -0.13
Oct 2019 201424.42112309692 -0.15 -0.25
Nov 2019 201410.76274845644 -0.01 -0.44
Dec 2019 201988.70828887378 0.29 -0.47
Jan 2020 202937.41110786053 0.47 -0.62
Feb 2020 203996.62135580403 0.52 -0.94
Mar 2020 204589.9118419328 0.29 -1.34
Apr 2020 205012.77105476157 0.21 -1.24
May 2020 205161.5432671923 0.07 -0.69
Jun 2020 205490.62507897988 0.16 0.25
Jul 2020 206325.56217796044 0.41 1.35
Aug 2020 208040.9480838808 0.83 2.75
Sep 2020 210650.62133171703 1.25 4.43
Oct 2020 213618.398325145 1.41 6.05
Nov 2020 216903.2411461939 1.54 7.69
Dec 2020 220215.94001293698 1.53 9.02
Jan 2021 223306.76884980415 1.40 10.04
Feb 2021 226228.42660380562 1.31 10.90
Mar 2021 228958.1783291543 1.21 11.91
Apr 2021 232164.12719985665 1.40 13.24
May 2021 235665.83482138813 1.51 14.87
Jun 2021 239355.12617434445 1.57 16.48
Jul 2021 242078.22670082664 1.14 17.33
Aug 2021 243655.15033380102 0.65 17.12
Sep 2021 244063.52888479654 0.17 15.86
Oct 2021 244884.21511926045 0.34 14.64
Nov 2021 246669.73691446145 0.73 13.72
Dec 2021 249327.18053902834 1.08 13.22
Jan 2022 252328.7612255213 1.20 13.00
Feb 2022 255601.62624299814 1.30 12.98
Mar 2022 259573.208879573 1.55 13.37
Apr 2022 263572.5451147303 1.54 13.53
May 2022 266936.0347277602 1.28 13.27
Jun 2022 269021.77354121767 0.78 12.39
Jul 2022 269493.52887935477 0.18 11.33
Aug 2022 268589.2478537944 -0.34 10.23
Sep 2022 267326.9943986998 -0.47 9.53
Oct 2022 266819.51739838434 -0.19 8.96
Nov 2022 266795.45249411225 -0.01 8.16
Dec 2022 267013.89203461306 0.08 7.09
Jan 2023 267312.2467470004 0.11 5.94
Feb 2023 267543.3875595135 0.09 4.67
Mar 2023 268211.24718626373 0.25 3.33
Apr 2023 270121.9650245312 0.71 2.49
May 2023 272863.4406617738 1.01 2.22
Jun 2023 275958.8059666908 1.13 2.58
Jul 2023 277571.39306644007 0.58 3.00
Aug 2023 278746.62646714086 0.42 3.78
Sep 2023 279298.93211335543 0.20 4.48
Oct 2023 279735.23772195255 0.16 4.84
Nov 2023 279758.7785188635 0.01 4.86
Dec 2023 279925.72032705415 0.06 4.84
Jan 2024 280841.4208436075 0.33 5.06
Feb 2024 282587.3411723075 0.62 5.62
Mar 2024 284484.73668124265 0.67 6.07
Apr 2024 285741.63695501286 0.44 5.78
May 2024 286164.29490323056 0.15 4.88
Jun 2024 286061.7659794823 -0.04 3.66
Jul 2024 285260.8918281398 -0.28 2.77
Aug 2024 284724.68895015685 -0.19 2.15
Sep 2024 284931.9500416005 0.07 2.02
Oct 2024 286261.80712945777 0.47 2.33
Nov 2024 287908.7442246942 0.57 2.91
Dec 2024 289000.3328301319 0.38 3.24
Jan 2025 289821.7673406805 0.28 3.20
Feb 2025 290511.8876900649 0.24 2.80
Mar 2025 291754.0058940808 0.43 2.56
Apr 2025 293406.6588761952 0.57 2.68
May 2025 295115.52763197693 0.58 3.13
Jun 2025 296239.0736416593 0.38 3.56
Jul 2025 296623.98232310143 0.13 3.98
Aug 2025 297053.24166974175 0.14 4.33
Sep 2025 297760.4622053798 0.24 4.50
Oct 2025 298820.20394865476 0.36 4.39
Nov 2025 300074.9628435142 0.42 4.23
Dec 2025 301286.566835966 0.40 4.25
Jan 2026 302224.00573838997 0.31 4.28
Feb 2026 302799.24750309525 0.19 4.23