| Country | United States |
|---|---|
| State | Illinois |
| County | Jackson |
| Time zone | Central (CST) (UTC-6) |
| Time zone (DST) | CDT (UTC-5) |
| Elevation | 354 ft |
| Coordinates | 37°44′42″N 89°32′13″W |
| ZIP code | 62950 |
| Area code | 618 |
| GNIS feature ID | 411015[1] |
Jacob is an unincorporated community in Jackson County, Illinois, United States. Jacob is located along a railroad line 3 miles (4.8 km) northwest of Gorham. Jacob has a post office with ZIP code 62950.[2]