Hauenstein-Ifenthal is a municipality in the district of Gösgen in the canton of Solothurn in Switzerland.

[3] Hauenstein-Ifenthal has an area, as of 2009[update], of 5.35 square kilometers (2.07 sq mi).

It consists of the villages of Hauenstein and Ifenthal as well as a number of scattered, individual houses.

[5] The blazon of the municipal coat of arms is Gules a lion passant Or on a base Vert.

[9] Most of the population (as of 2000[update]) speaks German (261 or 98.5%), with Romansh being second most common (3 or 1.1%) and Spanish being third (1 or 0.4%).

[10] As of 2008[update], the gender distribution of the population was 50.5% male and 49.5% female.

[8] The age distribution, as of 2000[update], in Hauenstein-Ifenthal is; 26 children or 9.8% of the population are between 0 and 6 years old and 54 teenagers or 20.4% 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 CVP which received 30.58% of the vote.

In the federal election, a total of 121 votes were cast, and the voter turnout was 59.3%.

[9] There were 138 residents of the municipality who were employed in some capacity, of which females made up 42.0% of the workforce.

In 2008[update] the total number of full-time equivalent jobs was 59.

In the tertiary sector; 1 was in the sale or repair of motor vehicles, 24 or 64.9% were in a hotel or restaurant, 1 was a technical professional or scientist, 9 or 24.3% were in education.

[9] From the 2000 census[update], 157 or 59.2% were Roman Catholic, while 61 or 23.0% belonged to the Swiss Reformed Church.

[10] As of 2000[update], there were 29 students from Hauenstein-Ifenthal who attended schools outside the municipality.