Housing · Big Rock
Big Rock, IL housing market
The median sale price was $210,000 in April 2026.
Home values, sales, trends and how Big Rock compares with the towns next door — updated as new data is published.
The market right now
Big Rock at a glance
Median sale price
$210K
April 2026 · Redfin
Homes sold
1
in April · 1 for sale
Only 1 sale in April 2026: in a market this size, monthly medians swing a lot, so the typical value above is the steadier guide.
Nearby
Big Rock and its neighbors
The towns that share a border. Tap one to see its housing page.
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Big Rock | — | — | — | $162,854 |
| Sugar Grove | — | — | 55 | $121,207 |
Affordability
2.1 years of income
The typical Big Rock home costs about 2.1 years of the town's median household income, less than across Illinois (3.6 years).
Home value ÷ ACS median household income.
The homes
Owners, rent & taxes
Homeownership
98.9%
Illinois: 67.1%
Median tax bill
$7,655
Illinois: $5,298
Typical home built
1941
Illinois: 1971
U.S. Census Bureau, ACS 2020-2024.
Home values: Zillow Home Value Index (ZHVI), Zillow Research. Sales, days on market and supply: Redfin Data Center, April 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.