Lausen is a municipality in the district of Liestal in the canton of Basel-Country in Switzerland.

Lausen has an area, as of 2009[update], of 5.56 square kilometers (2.15 sq mi).

The blazon of the municipal coat of arms is Gules, two pick-axes Or in saltire, in Chief Sable three Bezants one and two.

[8] Most of the population (as of 2000[update]) speaks German (3,953 or 85.1%), with Italian language being second most common (272 or 5.9%) and Albanian being third (89 or 1.9%).

[9] As of 2008[update], the gender distribution of the population was 49.4% male and 50.6% female.

[7] The age distribution, as of 2010[update], in Lausen is; 311 children or 6.4% of the population are between 0 and 6 years old and 694 teenagers or 14.3% are between 7 and 19.

The greatest number of single family homes (175) were built between 1971 and 1980.

[8] The historical population is given in the following chart:[3][13] Bettenach, a Roman era through High Middle Ages settlement, is listed as a Swiss heritage site of national significance.

The entire Lausen area is part of the Inventory of Swiss Heritage Sites.

[14] In the 2007 federal election the most popular party was the SVP which received 33.9% of the vote.

In the federal election, a total of 1,453 votes were cast, and the voter turnout was 48.4%.

[8] There were 2,513 residents of the municipality who were employed in some capacity, of which females made up 44.8% of the workforce.

The number of jobs in the secondary sector was 539, of which 409 or (75.9%) were in manufacturing and 124 (23.0%) were in construction.

In the tertiary sector; 237 or 37.3% were in wholesale or retail sales or the repair of motor vehicles, 58 or 9.1% were in the movement and storage of goods, 10 or 1.6% were in a hotel or restaurant, 4 or 0.6% were in the information industry, 3 or 0.5% were the insurance or financial industry, 68 or 10.7% were technical professionals or scientists, 53 or 8.3% were in education and 71 or 11.2% were in health care.

[8] From the 2000 census[update], 1,241 or 26.7% were Roman Catholic, while 2,224 or 47.9% belonged to the Swiss Reformed Church.