| Official Name: | Petersburg West No. 16 Precinct |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Menard |
| Area Total Km2: | 3.49 |
| Area Land Km2: | 3.49 |
| Area Water Km2: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2000 |
| Population Total: | 2299 |
| Population Density Km2: | 658.7 |
| Elevation Ft: | 538 |
| Coordinates: | 40.0122°N -89.8514°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1928592 |
Petersburg West No. 16 Precinct is located in Menard County, Illinois, United States. The population was 2,299 at the 2000 census.