Home › Counties › DeKalb County, IL
The median home value in DeKalb County, IL is $299,128 as of 2026-08-31, up 5.2% from a year earlier.
Median Home Value
$299,128
Year-over-Year
+5.2%
National Rank
#948 of 3071
DeKalb County ranks 10th out of 102 counties in IL by median home price, and is +27.2% above the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making DeKalb County +88.6% above the IL state median.
The typical home value increased by 0.5%, from $297,572 in May 2026 to $299,128 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 | $297,572 | +6.0% |
| Jun 2026 | $299,129 | +5.6% |
| Jul 2026 | $303,352 | +5.4% |
| Aug 2026 | $299,128 | +5.2% |
Households here earn a median of $70,724 a year against a typical home value of $299,128 — a price-to-income ratio of 4.2×, above the 3× level usually considered comfortable, but below 5×. That is less affordable than roughly 70% of U.S. counties. (How this is calculated.)
Reporting agencies in DeKalb County recorded a violent crime rate of 229 per 100,000 residents in 2024 — around the middle of the national range. Property crime runs at 1,650 per 100,000.
Based on 8 reporting cities covering 76,871 residents (FBI UCR data — what this covers).
The median home value in DeKalb County is $299,128. That's up 5.2% from a year earlier. That is about 27.2% above the U.S. national county median of $235,072, and makes DeKalb County the 10th most expensive of 102 counties in Illinois.
Median household income here is $70,724, so a typical home costs about 4.2× annual household earnings — moderately expensive compared with other U.S. counties.
Reporting police departments in DeKalb County recorded 229 violent crimes per 100,000 residents. That figure covers 76,871 residents across 8 reporting cities, so it reflects the county's incorporated areas rather than every community within its borders.
McHenry County · Cook County · Monroe County · Grundy County · Boone County · McLean County · Jo Daviess County · Champaign County