Other villages in the municipality include Hanestad, Otnes, Sjølisand, Unset, Åkre, and Åkrestrømmen.

On 1 January 1984, the unpopulated Spekedalen valley was transferred from Tynset Municipality to Rendalen.

The official blazon is "Azure, two reindeer heads argent in pale" (Norwegian: I blått to sølv reinsdyrhoder, 1-1).

This means the arms have a blue field (background) and the charge is two reindeer heads.

The charge has a tincture of argent which means it is commonly colored white, but if it is made out of metal, then silver is used.

The municipal council (Kommunestyre) of Rendalen is made up of 17 representatives that are elected to four year terms.

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

The mayors (Norwegian: ordfører) of Rendalen: The primary occupations are in farming and logging, but tourism is also important.