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Median Home Price in Union County, IL

The median home value in Union County, IL is $153,147 as of 2026-08-31, up 0.95% from a year earlier.

Median Home Value

$153,147

Year-over-Year

+0.95%

National Rank

#2552 of 3071

Union County ranks 59th out of 102 counties in IL by median home price, and is -34.9% below the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making Union County -3.4% below the IL state median.

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Home value history

The typical home value decreased by 0.5%, from $153,922 in May 2026 to $153,147 in Aug 2026.

Union County, IL typical home value from May 2026 to Aug 2026

Monthly Zillow Home Value Index snapshots retained by HomePriceMap. A short history is shown now and grows automatically as each new monthly release arrives.

Union County, IL monthly home value history
MonthTypical home valueYear-over-year change
May 2026$153,922+3.9%
Jun 2026$148,877+2.9%
Jul 2026$155,386+1.9%
Aug 2026$153,147+0.9%

Can you afford a home in Union County?

Households here earn a median of $55,728 a year against a typical home value of $153,147 — a price-to-income ratio of 2.7×, comfortably below the 3× income level generally considered manageable. That is less affordable than roughly 18% of U.S. counties. (How this is calculated.)

Common questions about Union County

How much does a house cost in Union County, IL?

The median home value in Union County is $153,147. That's up 0.95% from a year earlier. That is about 34.9% below the U.S. national county median of $235,072, and makes Union County the 59th most expensive of 102 counties in Illinois.

Is Union County affordable?

Median household income here is $55,728, so a typical home costs about 2.7× annual household earnings — relatively affordable compared with other U.S. counties.

Counties with similar home prices in IL

Bureau County · Randolph County · Iroquois County · Clark County · Coles County · Whiteside County · Logan County · Macoupin County

See the full ranked list of Illinois counties →