| Zip Code : | 63534 |
| City : | Callao city |
| County : | Macon County |
| State : | Missouri (MO) |
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| Land Area : | 73.91 sq mi |
| Water Area : | 2.15 sq mi |
| Latitude : | 39.7373090 |
| Longitude : | -92.6484068 |
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| Population (2010): | 804 |
| Population Estimate (2012) : | 818 |
| Population Density : | 10.88/sq mi |
| Housing Units (2012) : | 428 |
| Median Household Income (2012) : | $45,625 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $54,000 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $74,200 (Missouri : $138,400, USA : $181,400) |