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Originally, Strengereid was part of the municipality of Tvedestrand, but on 1 January 1962, the Strengereid area was merged with the neighboring municipalities of Flosta (west), Stokken (south), and Austre Moland (north-west) to form the new municipality of Moland. At that time Strengereid had 375 inhabitants. Then, on 1 January 1992, Moland was incorporated into Arendal.
- Jukvam, Dag (1999). "Historisk oversikt over endringer i kommune- og fylkesinndelingen" (in Norwegian). Statistisk sentralbyrå.