Current Round Lake Beach median home price: $230,138
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $254,074 | $228,667 | $279,482 |
| 2026 February | $255,612 | $230,051 | $281,173 |
| 2026 March | $257,159 | $231,443 | $282,875 |
| 2026 April | $258,715 | $232,844 | $284,587 |
| 2026 May | $260,281 | $234,253 | $286,309 |
| 2026 June | $261,856 | $235,671 | $288,042 |
| 2026 July | $261,913 | $235,722 | $288,104 |
| 2026 August | $261,202 | $235,082 | $287,322 |
| 2026 September | $260,493 | $234,444 | $286,543 |
| 2026 October | $260,653 | $234,588 | $286,718 |
| 2026 November | $261,623 | $235,460 | $287,785 |
| 2026 December | $263,206 | $236,885 | $289,527 |