Round Lake IL
72 active listings out of 8.7K total properties we track across 1 Round Lake 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 Round Lake. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 72 currently-active listings in Round Lake, IL. Full dataset covers 8.7K properties — listings, off-market homes, rentals, and full history.
Nearby cities
Other Illinois cities within driving distance.
Get Round Lake, IL data in your app
GET https://api.straply.com/v1/markets/city/round-lake-il
Authorization: Bearer $STRAPLY_KEY{
"city": "round-lake-il",
"total_tracked": 8736,
"active": 72,
"median_list": 289900
}Round Lake, IL real estate: market summary
As of April 2026, Straply tracks 8,736 homes in Round Lake, IL, with 72 active for sale at a median list price of $289,900 (~$179/sq ft). Notably, most homes were built in the 2000s.
- Median list price
- $289,900
- Median $/sq ft
- $179
- Active listings
- 72
- Median sale price
- $292,500 (-2% YoY)
- Properties tracked
- 8,736
Frequently asked: Round Lake, IL real estate
What is the median home price in Round Lake?
The median list price in Round Lake, IL is $289,900 (about $179 per square foot), based on 72 active listings tracked by Straply as of April 2026.
What price range are homes in Round Lake?
Active listings in Round Lake, IL concentrate in: 57% under $300k and 42% $300k–$500k.
Are home prices in Round Lake going up or down?
The median sale price is $292,500, down 2% year over year. Straply tracked 296 sales here over the past 12 months.
How many homes are for sale in Round Lake?
Straply is tracking 72 active listings in Round Lake, IL out of 8,736 properties on record as of April 2026.
How old are the homes in Round Lake?
Most homes in Round Lake, IL were built in the 2000s. About 85% were built after 1980, while 5% predate 1940. The newest tracked home dates to 2026.
What types of homes are in Round Lake?
Round Lake, IL is mostly single-family homes (58% of listings). Also common: townhouses 31%, condos 6%.
How many bedrooms do homes in Round Lake typically have?
The most common size in Round Lake, IL is 2 bd.
What areas are near Round Lake?
Nearby markets Straply also tracks include Round Lake Park, Hainesville, Round Lake Beach, Round Lake Heights.
Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.