| Official Name: | Gilmer, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Gilmer |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Lake |
| Subdivision Type3: | Township |
| Subdivision Name3: | Ela |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 810 |
| Coordinates: | 42.235°N -88.0461°W |
| Area Code: | 847 & 224 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 409027 |
Gilmer is an unincorporated community in Lake County, Illinois, United States. Gilmer is located along Gilmer Road and the Canadian National Railway north of Hawthorn Woods.[1]