Big Rock IL
7 active listings out of 812 total properties we track across 4 Big Rock ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show Illinois (statewide), not just Big Rock. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 7 currently-active listings in Big Rock, IL. Full dataset covers 812 properties — listings, off-market homes, rentals, and full history.
ZIP codes in Big Rock
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Illinois cities within driving distance.
Get Big Rock, IL data in your app
GET https://api.straply.com/v1/markets/city/big-rock-il
Authorization: Bearer $STRAPLY_KEY{
"city": "big-rock-il",
"total_tracked": 812,
"active": 7,
"median_list": 399900
}Big Rock, IL real estate: market summary
As of November 2026, Straply tracks 812 homes in Big Rock, IL, with 7 active for sale at a median list price of $399,900 (~$239/sq ft). Notably, it has notably historic housing — 21% of homes predate 1940.
- Median list price
- $399,900
- Median $/sq ft
- $239
- Active listings
- 7
- Median sale price
- $345,000 (-27% YoY)
- Properties tracked
- 812
Frequently asked: Big Rock, IL real estate
What is the median home price in Big Rock?
The median list price in Big Rock, IL is $399,900 (about $239 per square foot), based on 7 active listings tracked by Straply as of November 2026.
What price range are homes in Big Rock?
Active listings in Big Rock, IL concentrate in: 43% $300k–$500k and 29% under $300k.
Are home prices in Big Rock going up or down?
The median sale price is $345,000, down 27% year over year. Straply tracked 15 sales here over the past 12 months.
How many homes are for sale in Big Rock?
Straply is tracking 7 active listings in Big Rock, IL out of 812 properties on record as of November 2026.
How old are the homes in Big Rock?
Most homes in Big Rock, IL were built in the 1970s. About 26% were built after 1980, while 21% predate 1940. The newest tracked home dates to 2016.
What types of homes are in Big Rock?
Big Rock, IL is mostly single-family homes (71% of listings). Also common: lots / land 29%.
How many bedrooms do homes in Big Rock typically have?
The most common size in Big Rock, IL is 4 bd.
What areas are near Big Rock?
Nearby markets Straply also tracks include Hinckley, Sugar Grove, Plano, Geneva.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.