In 1800 the arrondissements of Laon, Château-Thierry, Saint-Quentin, Soissons and Vervins were established. The arrondissement of Château-Thierry was disbanded in 1926, and restored in 1942.[3]
The borders of the arrondissements of Aisne were modified in January 2017:[4]
10 communes from the arrondissement of Château-Thierry to the arrondissement of Soissons
three communes from the arrondissement of Laon to the arrondissement of Soissons
30 communes from the arrondissement of Laon to the arrondissement of Vervins