| Official Name: | Athens South No. 1 Precinct |
| Settlement Type: | Precinct |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Menard |
| Area Total Km2: | 31.1 |
| Area Land Km2: | 31.1 |
| Area Water Km2: | 0 |
| Area Total Sq Mi: | 12.01 |
| Area Land Sq Mi: | 12.01 |
| Area Water Sq Mi: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2000 |
| Population Total: | 1259 |
| Population Density Km2: | 40.5 |
| Population Density Sq Mi: | 104.8 |
| Elevation M: | 181 |
| Elevation Ft: | 594 |
| Coordinates: | 39.9397°N -89.7442°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1928439 |
Athens South No. 1 Precinct is located in Menard County, Illinois. The population was 1,259 at the 2000 census.