Birsfelden (Swiss German: Birsfälde) is a municipality in the district of Arlesheim in the canton of Basel-Country in Switzerland.

[3] Birsfelden has an area, as of 2009[update], of 2.52 square kilometers (0.97 sq mi).

It consists of the linear village of Birsfelden with a harbor and power plant on the Rhine.

[5] The blazon of the municipal coat of arms is Gules, three Mullets of Six Or, in chief a Barullet wavy Argent.

[9] Most of the population (as of 2000[update]) speaks German (8,591 or 82.4%), with Italian language being second most common (617 or 5.9%) and French being third (217 or 2.1%).

The total Swiss population change in 2008 (from all sources, including moves across municipal borders) was a decrease of 82 and the non-Swiss population change was an increase of 94 people.

[8] The age distribution, as of 2010[update], in Birsfelden is; 570 children or 5.5% of the population are between 0 and 6 years old and 1,092 teenagers or 10.5% are between 7 and 19.

[9] The historical population is given in the following chart:[3][14] The power plant of Birsfelden, the Catholic Church of Bruder Klaus and the Sternenfeld (part of the Roman era rhine fortifications) are listed as Swiss heritage site of national significance.

[15] In the 2007 federal election the most popular party was the SP which received 33.88% of the vote.

In the federal election, a total of 3,071 votes were cast, and the voter turnout was 44.4%.

[9] There were 5,179 residents of the municipality who were employed in some capacity, of which females made up 44.9% of the workforce.

The number of jobs in the primary sector was 5, of which were in agriculture and 5 were in forestry or lumber production.

The number of jobs in the secondary sector was 1,358, of which 876 or (64.5%) were in manufacturing, 25 or (1.8%) were in mining and 404 (29.7%) were in construction.

In the tertiary sector; 680 or 33.2% were in wholesale or retail sales or the repair of motor vehicles, 402 or 19.6% were in the movement and storage of goods, 80 or 3.9% were in a hotel or restaurant, 58 or 2.8% were in the information industry, 28 or 1.4% were the insurance or financial industry, 172 or 8.4% were technical professionals or scientists, 89 or 4.3% were in education and 266 or 13.0% were in health care.

[9] Delica AG, part of the Migros group was established in Birsfelden in 1954.

[19] From the 2000 census[update], 3,631 or 34.8% were Roman Catholic, while 3,287 or 31.5% belonged to the Swiss Reformed Church.