Grundy County, Iowa, had a typical home value of $220,904 in August 2026, representing Zillow’s estimate of the value of a typical home, according to Zillow. The figure climbed 1.3%, or $2,729, from $218,175 in August 2025. The county’s value also rose 0.2% from $220,422 in July 2026.
The Zillow Home Value Index measures the typical home value and market changes across a given region and housing type. It reflects the typical value of homes in the 35th to 65th percentile. This article uses Zillow’s smoothed, seasonally adjusted All Homes series, which includes single-family homes, condominiums and co-ops with a county record.
Single-family home values rose 1.3% over the year, while values for condos and co-ops declined 1.3%.
Grundy County held the 36th-highest typical home value among the 99 Iowa counties and county equivalents with Zillow home value data for August 2026. The county’s figure was lower than the Iowa typical home value of $239,547, which increased 2.9% compared with August 2025. It was also below the U.S. figure of $368,697, up 0.2% over the year; Grundy County trailed the national value by $147,793.
U.S. single-family house prices were 33.4% higher in the second quarter of 2026 than five years earlier, according to the FHFA House Price Index. Prices increased 2.1% from the second quarter of 2025 and 0.3% from the first quarter of 2026. The figures are based on FHFA’s seasonally adjusted, purchase-only index.
| Area | Typical Home Value, August 2026 | Change From August 2025 | Change (%) |
|---|---|---|---|
| Grundy County | $220,904 | +$2,729 | +1.3% |
| Iowa | $239,547 | +$6,770 | +2.9% |
| United States | $368,697 | +$785 | +0.2% |
| Home Type | Typical Home Value, August 2026 | Change From August 2025 | Change (%) |
|---|---|---|---|
| All Homes | $220,904 | +$2,729 | +1.3% |
| Single-Family Homes | $221,192 | +$2,783 | +1.3% |
| Condos and Co-ops | $206,937 | -$2,690 | -1.3% |
Information in this article comes from Zillow Research’s Housing Data.