Shield: Derived from the Provincial Seal of Ilocos Norte where the town is located.
Red Lettering: Signifies the bravery of the legendary leader Apo Dumalneg and the Yapayaos.
Background Features: Represent Mt. Quebrada, Mt. Sinmuba and the hills that surround Dumalneg.
Orchids: Symbolizes the municipal flower.
Deers: Represent the wildlife that abounds in the Municipality.
Ribbon: Depicts the peace-loving townspeople.
Shield Border: Represents rattan, the town's forest product.