| Index | Knoxville | Illinois | National |
| Median home price | $87,800 | $175,700 | $175,700 |
| Median rent asked | $653 | $903 | $920 |
| Avg. people per household | 2.2 | 2.6 | 2.6 |
| Owner occupied households | 75.2% | 66.9% | 64.4% |
| Renter occupied households | 24.8% | 33.1% | 35.6% |
| Index | Knoxville | Illinois | National |
| Zillow home value index | $102,300 | $168,800 | $196,500 |
| Year over year appreciation rate | 17.45% | 5.76% | 6.79% |
| 5 year average appreciation rate | 4.42% | 3.66% | 5.28% |
| 10 year average appreciation rate | n/a | -1.85% | 0.01% |
| City, State | Population | Home Price | National Avg. |
| St. Augustine, IL | 117 | $48,800 | 72% |
| London Mills, IL | 413 | $52,200 | 70% |
| Victoria, IL | 348 | $52,800 | 70% |
| Gilson, IL | 179 | $56,700 | 68% |
| Maquon, IL | 370 | $58,300 | 67% |
| Knoxville, IL | 2,954 | $87,800 | 50% |
| City, State | Population | Home Price | National Avg. |
| Onawa, IA | 2,954 | $78,100 | 56% |
| Arcadia, WI | 2,953 | $111,000 | 37% |
| Kingwood, WV | 2,953 | $120,500 | 31% |
| Milford, IA | 2,955 | $125,400 | 29% |
| Montrose, MN | 2,952 | $147,100 | 16% |
| Knoxville, IL | 2,954 | $87,800 | 50% |