Breitenbach (High Alemannic: Bräitebach) is a municipality in the district of Thierstein in the canton of Solothurn in Switzerland.

As with most of Switzerland, there are Postauto buses which take people to surrounding cities and to and from the train station.

Schweizerdeutsch (Swiss-German) in Breitenbach closely resembles that of Baseldeutsch (Basel-German).

[3] Breitenbach has an area, as of 2009[update], of 6.8 square kilometers (2.6 sq mi).

It is located on the Passwang Pass road at the entrance to the Gilgenbergerland area.

The blazon of the municipal coat of arms is Per pale Or a Reed Vert with two leaves and Gules a Fess wavy Argent.

[8] Most of the population (as of 2000[update]) speaks German (2,694 or 82.6%), with Italian being second most common (138 or 4.2%) and Portuguese being third (90 or 2.8%).

[7] The age distribution, as of 2000[update], in Breitenbach is; 255 children or 7.8% of the population are between 0 and 6 years old and 554 teenagers or 17.0% are between 7 and 19.

[8] The historical population is given in the following chart:[3][13] In the 2007 federal election the most popular party was the FDP which received 32.08% of the vote.

In the federal election, a total of 945 votes were cast, and the voter turnout was 45.2%.

[8] There were 1,654 residents of the municipality who were employed in some capacity, of which females made up 41.2% of the workforce.

The number of jobs in the primary sector was 27, of which 24 were in agriculture and 3 were in forestry or lumber production.

In the tertiary sector; 183 or 24.4% were in wholesale or retail sales or the repair of motor vehicles, 28 or 3.7% were in the movement and storage of goods, 25 or 3.3% were in a hotel or restaurant, 4 or 0.5% were in the information industry, 18 or 2.4% were the insurance or financial industry, 20 or 2.7% were technical professionals or scientists, 48 or 6.4% were in education and 338 or 45.1% were in health care.

[8] From the 2000 census[update], 2,068 or 63.4% were Roman Catholic, while 401 or 12.3% 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 Breitenbach attend their school in a neighboring municipality.

The library has (as of 2008[update]) 9,867 books or other media, and loaned out 38,249 items in the same year.

It was open a total of 198 days with average of 13 hours per week during that year.