Niederbipp is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. On 1 January 2020 the former municip…Niederbipp is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. On 1 January 2020 the former municipality of Wolfisberg merged into Niederbipp. Niederbipp is first mentioned in 968 as Pippa. In 1302 it was mentioned as Nider-Bippe.