From July through December of 2021, there were 398 homes sold, with a median sale price of $254,500 - a 10.7% increase over the $229,950 median sale price for the same period of the previous year. There were 410 homes sold in O'Fallon in the second half of 2020.
The median sales tax in O'Fallon for the most recent year with available data, 2019, was $4,282, approximately 1.7% of the median home sale price for the second half of 2021.
The following table compares O'Fallon to other St. Clair 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) |
|---|---|---|---|---|---|---|
| Columbia | 4 | 1 | 300% | $479,500 | $375,000 | 27.9% |
| Miller | 7 | 7 | 0% | $270,000 | $214,900 | 25.6% |
| Shiloh | 144 | 137 | 5.1% | $259,000 | $239,900 | 8% |
| O'Fallon | 398 | 410 | -2.9% | $254,500 | $229,950 | 10.7% |
| Smithton | 42 | 48 | -12.5% | $236,000 | $239,250 | -1.4% |
| Mascoutah | 107 | 115 | -7% | $185,000 | $180,000 | 2.8% |
| Summerfield | 1 | 2 | -50% | $184,951.87 | $57,500 | 221.7% |
| Millstadt | 43 | 44 | -2.3% | $184,000 | $189,250 | -2.8% |
| Briar Hill | 4 | 9 | -55.6% | $182,541.19 | $163,000 | 12% |
| Swansea | 157 | 184 | -14.7% | $175,000 | $178,250 | -1.8% |
| Oak Hills | 5 | 2 | 150% | $172,500 | $66,000 | 161.4% |
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