| Index | Callao | Missouri | National |
| Median home price | $40,600 | $141,200 | $184,700 |
| Median rent asked | $0 | $759 | $949 |
| Avg. people per household | 2.8 | 2.4 | 2.6 |
| Owner occupied households | 88.7% | 66.8% | 63.6% |
| Renter occupied households | 11.3% | 33.2% | 36.4% |
| 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 | 18 | $0 | 100% |
| Elmer, MO | 84 | $21,900 | 88% |
| Bucklin, MO | 474 | $39,800 | 78% |
| Ethel, MO | 60 | $40,000 | 78% |
| New Cambria, MO | 153 | $53,100 | 71% |
| Callao, MO | 356 | $40,600 | 78% |
| City, State | Population | Home Price | National Avg. |
| Cedar Fort, UT | 356 | $238,000 | 29% |
| New Canton, IL | 356 | $44,600 | 76% |
| Matheny, WV | 356 | $87,500 | 53% |
| La Valle, WI | 356 | $96,400 | 48% |
| Millsap, TX | 356 | $77,300 | 58% |
| Callao, MO | 356 | $40,600 | 78% |