Together with the city of Solothurn, it forms the Amtei (electoral district) of Solothurn-Lebern.
Lebern District contains the following municipalities: In 2011 Niederwil merged into Riedholz.
[2] Lebern has an area, as of 2009[update], of 117.28 square kilometers (45.28 sq mi).
[3] The blazon of the municipal coat of arms is Gules a Pale chevrony Or and Sable.
[1] Most of the population (as of 2000[update]) speaks German (36,787 or 87.6%), with Italian being second most common (1,589 or 3.8%) and French being third (735 or 1.7%).
[5] The historical population is given in the following chart:[8] In the 2007 federal election the most popular party was the SVP which received 28.79% of the vote.
In the federal election, a total of 14,271 votes were cast, and the voter turnout was 48.9%.
[9] From the 2000 census[update], 16,292 or 38.8% were Roman Catholic, while 14,664 or 34.9% belonged to the Swiss Reformed Church.