Union County, 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 Union County, Illinois in February 2026 was $153,227.205. The month over month percentage change (MoM) was 0.85%, and the year over year percentage change (YoY) was 4.78%.

The chart below shows the trend of the smoothed and seasonally adjusted ZHVI for Union County, IL. The table below shows the trend of the smoothed and seasonally adjusted ZHVI, and the MoM and YoY percentage changes for Union County, IL.

You can see similar information for other Illinois counties, 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.
Union County, IL - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted ($)
Union County, IL - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZHVI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 0 NaN NaN
Feb 2015 0 NaN NaN
Mar 2015 0 NaN NaN
Apr 2015 0 NaN NaN
May 2015 0 NaN NaN
Jun 2015 0 NaN NaN
Jul 2015 0 NaN NaN
Aug 2015 0 NaN NaN
Sep 2015 0 NaN NaN
Oct 2015 0 NaN NaN
Nov 2015 0 NaN NaN
Dec 2015 0 NaN NaN
Jan 2016 0 NaN NaN
Feb 2016 130921.47075584444 Infinity Infinity
Mar 2016 130251.0898115683 -0.51 Infinity
Apr 2016 130218.52823626077 -0.02 Infinity
May 2016 129770.9541399525 -0.34 Infinity
Jun 2016 129960.50153697193 0.15 Infinity
Jul 2016 129275.35746380706 -0.53 Infinity
Aug 2016 129259.89550208271 -0.01 Infinity
Sep 2016 128743.96953492919 -0.40 Infinity
Oct 2016 128898.86857920697 0.12 Infinity
Nov 2016 128699.28372234473 -0.15 Infinity
Dec 2016 128451.25277409464 -0.19 Infinity
Jan 2017 128535.9220313814 0.07 Infinity
Feb 2017 128507.70941477879 -0.02 -1.84
Mar 2017 128511.09320622601 0.00 -1.34
Apr 2017 128024.80854442134 -0.38 -1.68
May 2017 127414.50035734964 -0.48 -1.82
Jun 2017 127120.82929879114 -0.23 -2.18
Jul 2017 127009.28702838781 -0.09 -1.75
Aug 2017 126976.34989427486 -0.03 -1.77
Sep 2017 127106.42147252714 0.10 -1.27
Oct 2017 126988.81152695311 -0.09 -1.48
Nov 2017 126710.4177300689 -0.22 -1.54
Dec 2017 126283.07529333932 -0.34 -1.69
Jan 2018 126138.41357553343 -0.11 -1.86
Feb 2018 126265.5997917613 0.10 -1.74
Mar 2018 126900.47427521017 0.50 -1.25
Apr 2018 127473.5539302022 0.45 -0.43
May 2018 127314.28901781644 -0.12 -0.08
Jun 2018 125973.71078086579 -1.05 -0.90
Jul 2018 124447.8652197572 -1.21 -2.02
Aug 2018 123039.56506022689 -1.13 -3.10
Sep 2018 122423.14905687685 -0.50 -3.68
Oct 2018 121847.67743085745 -0.47 -4.05
Nov 2018 121350.19695006934 -0.41 -4.23
Dec 2018 120274.7873894915 -0.89 -4.76
Jan 2019 119723.05132888774 -0.46 -5.09
Feb 2019 120196.31383108634 0.40 -4.81
Mar 2019 121705.29507449504 1.25 -4.09
Apr 2019 123280.36470976779 1.29 -3.29
May 2019 124344.47128539828 0.86 -2.33
Jun 2019 125371.28945262039 0.83 -0.48
Jul 2019 126140.98953403642 0.61 1.36
Aug 2019 126757.01125849015 0.49 3.02
Sep 2019 126715.4022999364 -0.03 3.51
Oct 2019 126943.4451913834 0.18 4.18
Nov 2019 127374.27831772197 0.34 4.96
Dec 2019 128116.28480103047 0.58 6.52
Jan 2020 127771.73641351327 -0.27 6.72
Feb 2020 127435.89243860052 -0.26 6.02
Mar 2020 126481.5912125946 -0.75 3.92
Apr 2020 126476.82405093964 0.00 2.59
May 2020 125675.45411933483 -0.63 1.07
Jun 2020 124406.87185718422 -1.01 -0.77
Jul 2020 123444.31345194428 -0.77 -2.14
Aug 2020 123845.21292218736 0.33 -2.30
Sep 2020 126365.87167580791 2.04 -0.28
Oct 2020 128058.08811940493 1.34 0.88
Nov 2020 129050.620071603 0.78 1.32
Dec 2020 128622.15270418068 -0.33 0.40
Jan 2021 129563.53428811127 0.73 1.40
Feb 2021 131756.85198718923 1.69 3.39
Mar 2021 134778.33665144583 2.29 6.56
Apr 2021 135842.72000057678 0.79 7.41
May 2021 135750.40688190385 -0.07 8.02
Jun 2021 135426.16281325728 -0.24 8.86
Jul 2021 135320.03456271323 -0.08 9.62
Aug 2021 134316.40389459083 -0.74 8.46
Sep 2021 132567.0887124932 -1.30 4.91
Oct 2021 131077.1503661573 -1.12 2.36
Nov 2021 130343.89532203098 -0.56 1.00
Dec 2021 129811.49076596567 -0.41 0.93
Jan 2022 129646.94492885831 -0.13 0.06
Feb 2022 129865.9000165771 0.17 -1.43
Mar 2022 130236.79904923402 0.29 -3.37
Apr 2022 130104.82981594442 -0.10 -4.22
May 2022 129640.59863930526 -0.36 -4.50
Jun 2022 130501.9145256079 0.66 -3.64
Jul 2022 131992.92882985328 1.14 -2.46
Aug 2022 133194.1882921113 0.91 -0.84
Sep 2022 133009.9678995899 -0.14 0.33
Oct 2022 133387.8212592559 0.28 1.76
Nov 2022 133951.02593869876 0.42 2.77
Dec 2022 134808.29178594018 0.64 3.85
Jan 2023 135996.18549733525 0.88 4.90
Feb 2023 137091.1733732744 0.81 5.56
Mar 2023 138250.49501632634 0.85 6.15
Apr 2023 139103.83871526807 0.62 6.92
May 2023 140386.52717512916 0.92 8.29
Jun 2023 142017.67757356077 1.16 8.82
Jul 2023 143393.45082350206 0.97 8.64
Aug 2023 144048.96707271016 0.46 8.15
Sep 2023 143413.15941840652 -0.44 7.82
Oct 2023 142947.86135597152 -0.32 7.17
Nov 2023 142656.92796696656 -0.20 6.50
Dec 2023 143006.52249824823 0.25 6.08
Jan 2024 142586.12175405223 -0.29 4.85
Feb 2024 143287.2302506418 0.49 4.52
Mar 2024 144570.4903690703 0.90 4.57
Apr 2024 146296.6138119411 1.19 5.17
May 2024 146784.92455664955 0.33 4.56
Jun 2024 146621.99381371264 -0.11 3.24
Jul 2024 145560.2559452535 -0.72 1.51
Aug 2024 144620.6322509284 -0.65 0.40
Sep 2024 143616.9920446334 -0.69 0.14
Oct 2024 143604.91307687605 -0.01 0.46
Nov 2024 143923.1105432138 0.22 0.89
Dec 2024 144547.8319674223 0.43 1.08
Jan 2025 145256.83125178653 0.49 1.87
Feb 2025 146230.92476607868 0.67 2.05
Mar 2025 146839.40253875134 0.42 1.57
Apr 2025 146573.01137178953 -0.18 0.19
May 2025 146324.1150114663 -0.17 -0.31
Jun 2025 146092.5401817429 -0.16 -0.36
Jul 2025 145945.06162532629 -0.10 0.26
Aug 2025 146167.93211229533 0.15 1.07
Sep 2025 146600.94334997286 0.30 2.08
Oct 2025 148004.28127192764 0.96 3.06
Nov 2025 149112.0538961124 0.75 3.61
Dec 2025 150887.13760295717 1.19 4.39
Jan 2026 151935.79988030004 0.70 4.60
Feb 2026 153227.2051233656 0.85 4.78