Current Illiopolis median home price: $122,506
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $133,606 | $120,246 | $146,967 |
| 2026 February | $133,307 | $119,976 | $146,638 |
| 2026 March | $133,417 | $120,075 | $146,759 |
| 2026 April | $133,766 | $120,389 | $147,142 |
| 2026 May | $134,814 | $121,332 | $148,295 |
| 2026 June | $135,870 | $122,283 | $149,457 |
| 2026 July | $136,585 | $122,927 | $150,244 |
| 2026 August | $136,368 | $122,731 | $150,005 |
| 2026 September | $136,265 | $122,639 | $149,892 |
| 2026 October | $136,311 | $122,680 | $149,943 |
| 2026 November | $136,600 | $122,940 | $150,260 |
| 2026 December | $137,670 | $123,903 | $151,437 |