| Official Name: | Blaine, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Boone |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 984 |
| Coordinates: | 42.4469°N -88.8031°W |
| Area Codes: | 815 & 779 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 404535[1] |
Blaine is an unincorporated community in Boone County, Illinois, United States. Blaine is northwest of Capron and north-northeast of Poplar Grove.