Willis is located in Montgomery County. About 6,431 people live here (as of 2020). Between 2010 and 2020, the population grew from 5,662 to 6,431. The region is at 116 meters above sea level. The area covers about 12.3 square kilometers. There are about 236 streets in Willis. The region was founded in 1937. The postal codes are 77318–77378. The dialing code is 936. Willis is city in Montgomery County, Texas, USA. Among other things, Willis has restaurants, cafés, supermarkets, schools, banks, hairdressers and pharmacies.
| Year built | 1937 |
| Area | 12.3 km² |
| Elevation | 116 m |
| Located in | Montgomery County |
| Postal code | 77318 |
| Country | United States |
| Population | 6431 |
| Official name | Willis |
| 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 |