The median sale price of a home sold in the second half of 2021 in Island Lake in McHenry County fell by $7,500 while total sales increased by 68.9%, according to BlockShopper.com.
From July through December of 2021, there were 76 homes sold, with a median sale price of $197,500 – a 3.7% decrease over the $205,000 median sale price for the same period of the previous year. There were 45 homes sold in Island Lake in the second half of 2020.
The median sales tax in Island Lake for the most recent year with available data, 2019, was $5,127, approximately 2.6% of the median home sale price for the second half of 2021.
The following table compares Island Lake to other McHenry County cities with similar median sale prices in the second half of 2021:
| City | July – Dec. 2021 Home Sales | July – Dec. 2020 Home Sales | % change (Total Home Sales) | July – Dec. 2021 Median Sales Price | July – Dec. 2020 Median Sales Price | % change (Median Sales Price) |
|---|---|---|---|---|---|---|
| McHenry | 396 | 342 | 15.8% | $217,250 | $204,500 | 6.2% |
| Richmond | 16 | 14 | 14.3% | $205,000 | $272,500 | -24.8% |
| Fox River Shores | 7 | 2 | 250% | $205,000 | $186,500 | 9.9% |
| Woodstock | 274 | 275 | -0.4% | $200,000 | $192,000 | 4.2% |
| Crystal Manor | 14 | 13 | 7.7% | $200,000 | $183,500 | 9% |
| Island Lake | 76 | 45 | 68.9% | $197,500 | $205,000 | -3.7% |
| Pistakee Highlands | 57 | 51 | 11.8% | $190,000 | $179,000 | 6.1% |
| Holiday Hills | 7 | 3 | 133.3% | $190,000 | $167,000 | 13.8% |
| Lakemoor | 38 | 36 | 5.6% | $189,000 | $179,500 | 5.3% |
| Pistakee | 5 | 5 | 0% | $180,000 | $120,000 | 50% |
| Marengo | 91 | 85 | 7.1% | $175,000 | $175,000 | 0% |
* This story only considers sales data for the part of Island Lake that is in McHenry County.



