| Saint-Lumier-la-Populeuse | |
| Image Coat Of Arms: | Blason ville fr Saint-Lumier-la-Populeuse (Marne).svg |
| Commune Status: | Commune |
| Arrondissement: | Vitry-le-François |
| Canton: | Sermaize-les-Bains |
| Insee: | 51497 |
| Postal Code: | 51340 |
| Mayor: | Laura Ducat[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.7261°N 4.7942°W |
| Elevation M: | 132 |
| Area Km2: | 2.38 |
Saint-Lumier-la-Populeuse (in French pronounced as /sɛ̃ lymje la pɔpyløz/) is a commune in the Marne department in north-eastern France.[2]