Current Round Lake Beach median home price: $230,138
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $247,965 | $223,168 | $272,761 |
| 2026 April | $249,415 | $224,473 | $274,356 |
| 2026 May | $250,873 | $225,786 | $275,960 |
| 2026 June | $252,340 | $227,106 | $277,574 |
| 2026 July | $252,395 | $227,155 | $277,634 |
| 2026 August | $251,669 | $226,502 | $276,836 |
| 2026 September | $250,945 | $225,851 | $276,040 |
| 2026 October | $251,099 | $225,989 | $276,209 |
| 2026 November | $252,033 | $226,830 | $277,237 |
| 2026 December | $253,507 | $228,156 | $278,858 |