Untersteckholz

Untersteckholz was a municipality in the district of Aarwangen in the canton of Bern in Switzerland. On 1 January 2010, Untersteckholz merged into Langenthal.

Geography
Before the merge, Untersteckholz had an area,, of 2.83 km2. Of this area, 2.09 km2 or 73.9% is used for agricultural purposes, while 0.59 km2 or 20.8% is forested. Of the rest of the land, 0.16 km2 or 5.7% is settled (buildings or roads).

Of the built up area, housing and buildings made up 2.1% and transportation infrastructure made up 3.2%. 17.7% of the total land area is heavily forested and 3.2% is covered with orchards or small clusters of trees. Of the agricultural land, 56.5% is used for growing crops and 14.1% is pastures, while 3.2% is used for orchards or vine crops.

Demographics
Untersteckholz has a population (as of ) of. , 1.2% of the population was made up of foreign nationals. Over the last 10 years the population has grown at a rate of 5.8%. Most of the population speaks German  (97.6%), with Rhaeto-romance being second most common ( 0.6%) and Russian being third ( 0.6%).

In the 2007 election the most popular party was the SVP which received 65.3% of the vote. The next three most popular parties were the FDP (11.3%), the Green Party (11.1%) and the local small left-wing parties (5.9%).

The age distribution of the population is children and teenagers (0–19 years old) make up 18.6% of the population, while adults (20–64 years old) make up 61.7% and the seniors (over 64 years old) make up 19.8%. In Untersteckholz about 79.7% of the population (between age 25–64) have completed either non-mandatory upper secondary education or additional higher education (either University or a Fachhochschule).

Untersteckholz has an unemployment rate of 0.17%. , there were 58 people employed in the primary economic sector and about 14 businesses involved in this sector. 16 people are employed in the secondary sector and there are 5 businesses in this sector. 11 people are employed in the tertiary sector, with 2 businesses in this sector.