62828 Zip Code
| City: | Dahlgren |
| State: | IL |
| County: | Hamilton County |
| Area Codes: | 618 |
| Latitude: | 38.19 |
| Longitude: | -88.68 |
| Time Zone: | America/Chicago |
| Population in 2010: | 1,426 |
| School District: | Hamilton County Community Unit School District 10 |
| District Code: | 10790 |