Alpha is located in Henry County. About 675 people live here (as of 2020). Between 2010 and 2020, the population grew from 671 to 675. The region is at 245 meters above sea level. There are about 38 streets in Alpha. The region was founded in 1872. The postal codes are 61413. The license plate code is 309. Alpha is human settlement in Henry County, Illinois, United States of America.
| Year built | 1872 |
| Area | 0.3 |
| Elevation | 245 m |
| Located in | Henry County |
| Postal code | 61413 |
| Country | United States |
| Population | 675 |
| Official name | Alpha |
| Bike path |
| Bike lane on roadway |
| Cycling allowed on bus lane |
| Bicycle street |
| Open to cyclists |
| Open to cyclists, good path |
| Cycling prohibited |
| Cobblestone |
| Long-distance bike route | (depending on scale) |
| Long-distance bike route |
| Long-distance hiking trail | (depending on scale) |
| Long-distance hiking trail |
| Pedestrians prohibited |
Public transit map Alpha Legend 
Bicycle map Alpha Legend 
Pedestrian map Alpha Legend