Heimenhausen is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland.
[4] Heimenhausen has an area, as of 2009[update], of 5.85 km2 (2.26 sq mi).
Of the rest of the land, 0.68 km2 (0.26 sq mi) or 11.6% is settled (buildings or roads), 0.02 km2 (4.9 acres) or 0.3% is either rivers or lakes and 0.02 km2 (4.9 acres) or 0.3% is unproductive land.
Most of the population (as of 2000[update]) speaks German (98.5%), with Serbo-Croatian being second most common ( 0.7%) and French being third ( 0.2%).
In the 2007 election the most popular party was the SVP which received 50% of the vote.