Home › Counties › Johnson County, IA
The median home value in Johnson County, IA is $311,649 as of 2026-08-31, up 3.05% from a year earlier.
Median Home Value
$311,649
Year-over-Year
+3.05%
National Rank
#877 of 3071
Johnson County ranks 7th out of 99 counties in IA by median home price, and is +32.6% above the U.S. national median of $235,072. Within IA, the typical county has a median home value of $194,976, making Johnson County +59.8% above the IA state median.
The typical home value decreased by 0.1%, from $311,930 in May 2026 to $311,649 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 | $311,930 | +4.0% |
| Jun 2026 | $313,517 | +3.7% |
| Jul 2026 | $314,177 | +3.3% |
| Aug 2026 | $311,649 | +3.0% |
Households here earn a median of $74,935 a year against a typical home value of $311,649 — a price-to-income ratio of 4.2×, above the 3× level usually considered comfortable, but below 5×. That is less affordable than roughly 67% of U.S. counties. (How this is calculated.)
Reporting agencies in Johnson County recorded a violent crime rate of 103 per 100,000 residents in 2024 — lower than most counties nationally. Property crime runs at 1,274 per 100,000.
Based on 2 reporting cities covering 45,668 residents (FBI UCR data — what this covers).
The median home value in Johnson County is $311,649. That's up 3.05% from a year earlier. That is about 32.6% above the U.S. national county median of $235,072, and makes Johnson County the 7th most expensive of 99 counties in Iowa.
Median household income here is $74,935, so a typical home costs about 4.2× annual household earnings — moderately expensive compared with other U.S. counties.
Reporting police departments in Johnson County recorded 103 violent crimes per 100,000 residents. That figure covers 45,668 residents across 2 reporting cities, so it reflects the county's incorporated areas rather than every community within its borders.
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