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| Rilly-sur-Aisne | |
|---|---|
|   The town hall in Rilly-sur-Aisne | |
| Coordinates: 49°29′18″N4°38′07″E / 49.4883°N 4.6353°E | |
| Country | France | 
| Region | Grand Est | 
| Department | Ardennes | 
| Arrondissement | Vouziers | 
| Canton | Attigny | 
| Intercommunality | Crêtes Préardennaises | 
| Government | |
| • Mayor (2021–2026) | Jean-Marc Roger [1] | 
| Area 1 | 3.44 km2 (1.33 sq mi) | 
| Population  (2022) [2]  | 124 | 
| • Density | 36/km2 (93/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code |  08364 /08130 | 
| Elevation | 82–117 m (269–384 ft) (avg. 88 m or 289 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Rilly-sur-Aisne is a commune in the Ardennes department in northern France.
| Year | Pop. | ±% | 
|---|---|---|
| 1962 | 137 | — | 
| 1968 | 121 | −11.7% | 
| 1975 | 102 | −15.7% | 
| 1982 | 111 | +8.8% | 
| 1990 | 111 | +0.0% | 
| 1999 | 105 | −5.4% | 
| 2008 | 109 | +3.8% |