[9] During the 1960s, there were many municipal mergers across Norway due to the work of the Schei Committee.

[6][10] On 21 December 1917, a royal resolution enacted the 1917 Norwegian language reforms.

At the time of the municipal dissolution, it was part of the Haltdalen prestegjeld and the Gauldal prosti (deanery) in the Diocese of Nidaros.

The municipal council (Herredsstyre) of Singsås was made up of 17 representatives that were elected to four year terms.

The tables below show the historical composition of the council by political party.