Langendorf is a municipality in the Swiss canton of Solothurn, located in the district of Lebern.

[3] Langendorf has an area, as of 2009[update], of 1.93 square kilometers (0.75 sq mi).

Of the rest of the land, 0.95 km2 (0.37 sq mi) or 49.2% is settled (buildings or roads), 0.01 km2 (2.5 acres) or 0.5% is either rivers or lakes.

Originally it was a linear village on both sides of the Wildbach river.

[5] The blazon of the municipal coat of arms is Gules an Owl displayed Argent holding in beak on a strap an escutcheon Gules a Cross couped Argent (Switzerland) standing on a Cannon Pipe Or mouth to dexter inscribed "VORWÄRTS" of the first.

[9] Most of the population (as of 2000[update]) speaks German (3,136 or 92.2%), with Italian being second most common (96 or 2.8%) and French being third (31 or 0.9%).

[8] The age distribution, as of 2000[update], in Langendorf is; 238 children or 7.0% of the population are between 0 and 6 years old and 464 teenagers or 13.6% are between 7 and 19.

[9] The historical population is given in the following chart:[3][14] In the 2007 federal election the most popular party was the FDP which received 25.65% of the vote.

In the federal election, a total of 1,358 votes were cast, and the voter turnout was 53.2%.

[9] There were 1,732 residents of the municipality who were employed in some capacity, of which females made up 44.0% of the workforce.

In 2008[update] the total number of full-time equivalent jobs was 1,057.

The number of jobs in the primary sector was 4, of which 3 were in agriculture and 1 was in forestry or lumber production.

In the tertiary sector; 236 or 31.1% were in wholesale or retail sales or the repair of motor vehicles, 45 or 5.9% were in the movement and storage of goods, 36 or 4.7% were in a hotel or restaurant, 1 was in the information industry, 17 or 2.2% were technical professionals or scientists, 58 or 7.6% were in education and 182 or 23.9% were in health care.

[9] From the 2000 census[update], 1,291 or 38.0% were Roman Catholic, while 1,263 or 37.1% belonged to the Swiss Reformed Church.

The education system in the Canton of Solothurn allows young children to attend two years of non-obligatory Kindergarten.

All the lower secondary students from Langendorf attend their school in a neighboring municipality.