Home › Counties › Stephenson County, IL
The median home value in Stephenson County, IL is $162,553 as of 2026-08-31, up 9.02% from a year earlier.
Median Home Value
$162,553
Year-over-Year
+9.02%
National Rank
#2442 of 3071
Stephenson County ranks 46th out of 102 counties in IL by median home price, and is -30.8% below the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making Stephenson County +2.5% above the IL state median.
The typical home value increased by 2.6%, from $158,438 in May 2026 to $162,553 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 | $158,438 | +11.5% |
| Jun 2026 | $162,128 | +10.7% |
| Jul 2026 | $161,884 | +9.7% |
| Aug 2026 | $162,553 | +9.0% |
Households here earn a median of $64,043 a year against a typical home value of $162,553 — a price-to-income ratio of 2.5×, comfortably below the 3× income level generally considered manageable. That is less affordable than roughly 13% of U.S. counties. (How this is calculated.)
Reporting agencies in Stephenson County recorded a violent crime rate of 363 per 100,000 residents in 2024 — around the middle of the national range. Property crime runs at 1,407 per 100,000.
Based on 1 reporting city covering 22,888 residents (FBI UCR data — what this covers).
The median home value in Stephenson County is $162,553. That's up 9.02% from a year earlier. That is about 30.8% below the U.S. national county median of $235,072, and makes Stephenson County the 46th most expensive of 102 counties in Illinois.
Median household income here is $64,043, so a typical home costs about 2.5× annual household earnings — relatively affordable compared with other U.S. counties.
Reporting police departments in Stephenson County recorded 363 violent crimes per 100,000 residents. That figure covers 22,888 residents across 1 reporting city, so it reflects the county's incorporated areas rather than every community within its borders.
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