$37,000
2 bd1 ba816 sqft
108 Olive St

The average Union County, IL home value is $153,227, up 4.8% over the past year. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $153,227
1-Year Value Change: +4.8%
(Data through February 28, 2026)
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