- Latitude: 38°47'36" N (+38.7933)
- Longitude: 90°16'02" W (-90.2672)
- Elevation: 596 feet above sea level
- Land area: 2.7 square miles
- Water area: 0.01 square miles (4.7 acres)
As the crow flies, Black Jack is...
| Year | Population | Percent change |
|---|
| 1980 | 5,293 | -- |
| 1990 | 6,128 | +15.8% |
| 2000 | 6,792 | +10.8% |