Round Lake, IL housing market
The typical Round Lake home is worth about $331,000, up 4.2% in a year, 11% above the Illinois typical home. Homes typically sell in 50 days, close to asking.
Home values, sales, trends and how Round Lake compares with the towns next door — updated as new data is published.
Round Lake at a glance
A seller's market
Supply is tight — about 2 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 | Illinois |
|---|---|---|
| 2017 | $186,000 | $181,000 |
| 2018 | $197,000 | $190,000 |
| 2019 | $201,000 | $195,000 |
| 2020 | $205,000 | $200,000 |
| 2021 | $219,000 | $215,000 |
| 2022 | $248,000 | $236,000 |
| 2023 | $266,000 | $248,000 |
| 2024 | $286,000 | $263,000 |
| 2025 | $310,000 | $278,000 |
| 2026 | $324,000 | $290,000 |
| August 2026 | $331,000 | $298,000 |
2 new homes permitted in 2025
Builders were permitted 2 new homes in Round Lake in 2025, all single-family houses. That's 0.1 per 1,000 residents, slower than across Illinois (1.6). Over the past 10 years, Round Lake has permitted 7 homes in all.
Show as a table
| Year | New homes | Single-family | 2+ per building | Value |
|---|---|---|---|---|
| 2026 (Jan–Aug) | 2 | 2 | 0 | $378,000 |
| 2025 | 2 | 2 | 0 | $375,000 |
| 2024 | 3 | 3 | 0 | $570,000 |
| 2023 | 2 | 2 | 0 | $380,000 |
| 2022 | 0 | 0 | 0 | — |
| 2021 | 0 | 0 | 0 | — |
| 2020 | 0 | 0 | 0 | — |
| 2019 | 0 | 0 | 0 | — |
| 2018 | 0 | 0 | 0 | — |
| 2017 | 0 | 0 | 0 | — |
| 2016 | 0 | 0 | 0 | — |
| 2015 | 0 | 0 | 0 | — |
| 2014 | 11 | 11 | 0 | $946,000 |
| 2013 | 30 | 30 | 0 | $2.6 million |
| 2012 | 18 | 18 | 0 | $1.6 million |
| 2011 | 30 | 30 | 0 | $2.2 million |
| 2010 | 17 | 17 | 0 | $1.5 million |
| 2009 | 31 | 31 | 0 | $2.7 million |
| 2008 | 12 | 12 | 0 | $1 million |
| 2007 | 33 | 33 | 0 | $2.8 million |
| 2006 | 174 | 174 | 0 | $19.9 million |
| 2005 | 541 | 541 | 0 | $67.5 million |
| 2004 | 999 | 979 | 20 | $110.5 million |
| 2003 | 940 | 940 | 0 | $92.7 million |
| 2002 | 659 | 627 | 32 | $63.6 million |
| 2001 | 368 | 368 | 0 | $35.6 million |
| 2000 | 194 | 194 | 0 | $18.6 million |
Homes authorized by building permits, counted in the year the permit was issued. U.S. Census Bureau, Building Permits Survey, through August 2026.
Round Lake and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Round Lake | $331K | +4.2% | 50 | $111,977 |
| Round Lake Park | $232K | +6% | 49 | $55,813 |
| Round Lake Beach | $260K | +5.2% | 40 | $86,059 |
| Volo | $378K | +4.7% | 83 | $160,792 |
| Long Lake | $263K | +5.6% | 39 | $104,621 |
| Wauconda | $349K | +5.8% | — | $112,337 |
3 years of income
The typical Round Lake home costs about 3 years of the town's median household income, less than across Illinois (3.6 years).
How Round Lake 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. New homes: U.S. Census Bureau, Building Permits Survey. Listings link to their publishers.