Bibern is a former municipality in the district of Bucheggberg, in the canton of Solothurn, Switzerland.

Of the rest of the land, 0.24 km2 (0.093 sq mi) or 8.0% is settled (buildings or roads), 0.01 km2 (2.5 acres) or 0.3% is either rivers or lakes.

[4] The former municipality is located in the Bucheggberg district, in the Bibern valley along the Bibernbach river.

The blazon of the municipal coat of arms is Gules a Bend wavy Or between an Oak Branch Vert acorned of the second and a Rose of the same barbed of the third.

[3] Most of the population (as of 2000[update]) speaks German (218 or 98.2%), with Spanish being second most common (3 or 1.4%) and Polish being third (1 or 0.5%).

[6] The age distribution, as of 2000[update], in Bibern is; 18 children or 8.1% of the population are between 0 and 6 years old and 43 teenagers or 19.4% are between 7 and 19.

[3] The historical population is given in the following chart:[2][11] In the 2007 federal election the most popular party was the SVP which received 44.68% of the vote.

In the federal election, a total of 95 votes were cast, and the voter turnout was 50.5%.

[3] There were 122 residents of the municipality who were employed in some capacity, of which females made up 45.1% of the workforce.

The number of jobs in the tertiary sector was 1, which was a technical professional or scientist.

[3] From the 2000 census[update], 15 or 6.8% were Roman Catholic, while 179 or 80.6% belonged to the Swiss Reformed Church.