Home › Counties › Ada County, ID
The median home value in Ada County, ID is $527,699 as of 2026-08-31, up 1.25% from a year earlier.
Median Home Value
$527,699
Year-over-Year
+1.25%
National Rank
#166 of 3071
Ada County ranks 6th out of 43 counties in ID by median home price, and is +124.5% above the U.S. national median of $235,072. Within ID, the typical county has a median home value of $396,924, making Ada County +32.9% above the ID state median.
The typical home value decreased by 0.4%, from $530,009 in May 2026 to $527,699 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 | $530,009 | +0.3% |
| Jun 2026 | $530,977 | +0.4% |
| Jul 2026 | $531,026 | +0.8% |
| Aug 2026 | $527,699 | +1.2% |
Households here earn a median of $91,502 a year against a typical home value of $527,699 — a price-to-income ratio of 5.8×, past the 5× level generally described as severely unaffordable. That is less affordable than roughly 92% of U.S. counties. (How this is calculated.)
Reporting agencies in Ada County recorded a violent crime rate of 147 per 100,000 residents in 2024 — lower than most counties nationally. Property crime runs at 571 per 100,000.
Based on 1 reporting city covering 140,353 residents (FBI UCR data — what this covers).
The median home value in Ada County is $527,699. That's up 1.25% from a year earlier. That is about 124.5% above the U.S. national county median of $235,072, and makes Ada County the 6th most expensive of 43 counties in Idaho.
Median household income here is $91,502, so a typical home costs about 5.8× annual household earnings — expensive compared with other U.S. counties.
Reporting police departments in Ada County recorded 147 violent crimes per 100,000 residents. That figure covers 140,353 residents across 1 reporting city, so it reflects the county's incorporated areas rather than every community within its borders.
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