Round Lake Park, IL housing market
The typical Round Lake Park home is worth about $232,000, up 6% in a year, 22% below the Illinois typical home. Homes typically sell in 49 days, a little above asking.
Home values, sales, trends and how Round Lake Park compares with the towns next door — updated as new data is published.
Round Lake Park at a glance
A seller's market
Supply is tight — about 2.9 months of homes for sale at the current pace. Buyers should expect competition on well-priced homes.
Typical home value, 2016–2026
Show as a table
| January | Round Lake Park | Illinois |
|---|---|---|
| 2017 | $123,000 | $181,000 |
| 2018 | $134,000 | $190,000 |
| 2019 | $140,000 | $195,000 |
| 2020 | $147,000 | $200,000 |
| 2021 | $162,000 | $215,000 |
| 2022 | $180,000 | $236,000 |
| 2023 | $197,000 | $248,000 |
| 2024 | $212,000 | $263,000 |
| 2025 | $219,000 | $278,000 |
| 2026 | $227,000 | $290,000 |
| August 2026 | $232,000 | $298,000 |
Round Lake Park and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Round Lake Park | $232K | +6% | 49 | $55,813 |
| Grayslake | $374K | +5.5% | 48 | $113,972 |
| Round Lake | $331K | +4.2% | 50 | $111,977 |
| Hainesville | $298K | +4.4% | — | $129,911 |
| Round Lake Beach | $260K | +5.2% | 40 | $86,059 |
4.2 years of income
The typical Round Lake Park home costs about 4.2 years of the town's median household income, more than across Illinois (3.6 years).
How Round Lake Park ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.