| Official Name: | Douglas, Knox County, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Douglas |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Knox |
| Subdivision Type3: | Township |
| Subdivision Name3: | Salem |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 643 |
| Coordinates: | 40.7861°N -90.0842°W |
| Area Code: | 309 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 407360 |
Douglas is an unincorporated community in Knox County, Illinois, United States. Douglas is 3.5miles west of Yates City.
Clinton L. Ewing (1879 - 1953), Illinois state legislator, businessman, and farmer, lived with his wife and family in Douglas.[1]