| Official Name: | Hopper, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Hopper |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Henderson |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 577 |
| Coordinates: | 40.7856°N -90.9908°W |
| Area Code: | 309 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 422821 |
Hopper is an unincorporated community in Stronghurst Township, Henderson County, Illinois, United States. Hopper is located on County Route 6, 5.3miles west-northwest of Stronghurst.[1]
Hopper was originally named Warren, Illinois. The village was laid out by Lambert Hopper on March 25, 1840. It was often called Hopper's Mill in the 19th century because Lambert Hopper and his son, Wesley Hopper, operated a thriving lumber mill in the area.