Home › Counties › Grundy County, IL
The median home value in Grundy County, IL is $323,639 as of 2026-08-31, up 3.61% from a year earlier.
Median Home Value
$323,639
Year-over-Year
+3.61%
National Rank
#785 of 3071
Grundy County ranks 9th out of 102 counties in IL by median home price, and is +37.7% above the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making Grundy County +104.1% above the IL state median.
The typical home value increased by 0.4%, from $322,238 in May 2026 to $323,639 in 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.
| Month | Typical home value | Year-over-year change |
|---|---|---|
| May 2026 | $322,238 | +4.5% |
| Jun 2026 | $323,424 | +4.2% |
| Jul 2026 | $326,662 | +3.9% |
| Aug 2026 | $323,639 | +3.6% |
Households here earn a median of $92,235 a year against a typical home value of $323,639 — a price-to-income ratio of 3.5×, above the 3× level usually considered comfortable, but below 5×. That is less affordable than roughly 45% of U.S. counties. (How this is calculated.)
Reporting agencies in Grundy County recorded a violent crime rate of 252 per 100,000 residents in 2024 — around the middle of the national range. Property crime runs at 1,214 per 100,000.
Based on 3 reporting cities covering 18,290 residents (FBI UCR data — what this covers).
The median home value in Grundy County is $323,639. That's up 3.61% from a year earlier. That is about 37.7% above the U.S. national county median of $235,072, and makes Grundy County the 9th most expensive of 102 counties in Illinois.
Median household income here is $92,235, so a typical home costs about 3.5× annual household earnings — moderately expensive compared with other U.S. counties.
Reporting police departments in Grundy County recorded 252 violent crimes per 100,000 residents. That figure covers 18,290 residents across 3 reporting cities, so it reflects the county's incorporated areas rather than every community within its borders.
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