Current Glen Ullin median home price: $115,529
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $143,876 | $129,489 | $158,264 |
| 2025 October | $142,081 | $127,873 | $156,290 |
| 2025 November | $138,925 | $125,032 | $152,817 |
| 2025 December | $136,451 | $122,806 | $150,096 |