Rumendingen is a municipality in the administrative district of Emmental in the canton of Bern in Switzerland.

Beginning in the 19th century, Rumendingen was part of the Wynigen school district.

[3] During the early 20th century, the local economy remained dominated by agriculture.

A small gravel mine opened in 1963 and provided some jobs for the residents.

The Karolinenheim was donated to the community in 1914 and is now a home and workshop for mentally handicapped youth.

Of the rest of the land, 0.21 km2 (0.081 sq mi) or 8.6% is settled (buildings or roads), 0.04 km2 (9.9 acres) or 1.6% is either rivers or lakes.

On the following day, 1 January 2010, it joined the newly created Verwaltungskreis Emmental.

[6] The blazon of the municipal coat of arms is Per bend Gules and Argent two Trefoils counterchanged.

The historical population is given in the following chart:[3][13] The entire village of Rumendingen is designated as part of the Inventory of Swiss Heritage Sites.

In the federal election, a total of 44 votes were cast, and the voter turnout was 68.8%.

[10] From the 2000 census[update], 8 or 5.9% were Roman Catholic, while 124 or 91.2% belonged to the Swiss Reformed Church.

There was 1 individual who was Jewish, and 3 (or about 2.21% of the population) belonged to no church, are agnostic or atheist.