| Index | Callao | Missouri | National |
| Median home price | $45,900 | $136,700 | $175,700 |
| Median rent asked | $0 | $740 | $920 |
| Avg. people per household | 3.1 | 2.4 | 2.6 |
| Owner occupied households | 86.4% | 67.9% | 64.4% |
| Renter occupied households | 13.6% | 32.1% | 35.6% |
| Index | Callao | Missouri | National |
| Zillow home value index | n/a | $140,100 | $196,500 |
| Year over year appreciation rate | n/a | 5.66% | 6.79% |
| 5 year average appreciation rate | n/a | 2.81% | 5.28% |
| 10 year average appreciation rate | n/a | -0.81% | 0.01% |
| City, State | Population | Home Price | National Avg. |
| Excello, MO | 105 | $0 | 100% |
| Elmer, MO | 68 | $13,300 | 92% |
| Bucklin, MO | 554 | $35,800 | 80% |
| Ethel, MO | 51 | $45,000 | 74% |
| New Cambria, MO | 172 | $51,000 | 71% |
| Callao, MO | 351 | $45,900 | 74% |
| City, State | Population | Home Price | National Avg. |
| Boone, CO | 351 | $56,000 | 68% |
| Mahaffey, PA | 351 | $61,800 | 65% |
| Saginaw, MO | 351 | $106,000 | 40% |
| Glen Aubrey, NY | 351 | $105,500 | 40% |
| College City, AR | 351 | $58,300 | 67% |
| Callao, MO | 351 | $45,900 | 74% |