Market Overview
Home Prices in Big Rock, IL
The median home value in Big Rock, IL is $430,406 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 5.5% compared to a year ago and up 4.2% from two years prior.
Compared to the U.S. national median of $410,000, homes in Big Rock are priced5% above average. Big Rock is part of the Chicago-Naperville-Elgin, IL-IN-WI metro area.
Over the past five years, Big Rock home values have risen by approximately34.4%, reflecting strong long-term appreciation in this market.
Price History
Big Rock Home Price Trend
City Comparison
Big Rock vs. National Median
At $430,406, homes in Big Rock cost 5% above the national median of $410,000. Buyers in Big Rock should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Big Rock?
20% Down Payment
$86,081
on $430,406
Monthly P&I
$2,245/mo
30-yr @ 6.8%
Total Monthly Est.
~$2,851/mo
incl. taxes & insurance
Income Needed
$114,040
gross annual (30% rule)
10% Down Option
$43,041
+ PMI applies
Loan Amount (20% dn)
$344,325
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Big Rock, IL?
The median home value in Big Rock is $430,406 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 5.5% year-over-year.
How much have home prices changed in Big Rock?
Over the past year, home values in Big Rock have increased by 5.5%. Over five years, prices have risen approximately 34.4%.
How much do I need to earn to buy a home in Big Rock?
To comfortably afford the median home price of $430,406 with a 20% down payment ($86,081) at today's rates (6.8%), you'd need a gross annual income of approximately $114,040. This assumes keeping total housing costs at or below 30% of gross income.
How does Big Rock compare to the national average home price?
The national median home value is approximately $410,000. At $430,406, homes in Big Rock are 5% above the national average.
What metro area is Big Rock part of?
Big Rock is part of the Chicago-Naperville-Elgin, IL-IN-WI metropolitan area. Home prices and market conditions can vary across the broader metro region.