Kammersrohr

Kammersrohr is a municipality in the district of Lebern in the canton of Solothurn in Switzerland. The municipality, located in the Lebern district, is the smallest municipality in the canton and is situated on a terrace in the southern foothills of the Jura Mountains. Kammersrohr is first mentioned in 1374 as ze Rore. As of 2009, Kammersrohr had an area of , of which (55.8%) is used for agricultural purposes, and (40.0%) is forested. Of the rest of the land, or 3.2% is settled with buildings or roads. Of the built up area, housing and other structures made up 2.1% and transportation infrastructure made up 1.1%. Of the forested land, 37.9% is heavily forested and 2.1% is covered with orchards or small clusters of trees. Of the agricultural land, 29.5% is used for growing crops and 25.3% is in pasture, while 1.1% is used for orchards or vine crops. The blazon of the municipal coat of arms is Argent a Mullet Gules between two Reed plants Vert fructed Sable and with two leaves each issuant from a Mount of 3 Coupeaux of the third. Kammersrohr had a population () of . , 2.8% of whom were resident foreign nationals. In the 10-year period of 1999–2009, the population changed at a rate of -15.9%. Most of the population () spoke German (37 or 94.9%), with the rest speaking English (1 or 2.6%) and Polish (1 or 2.6%). the population's gender distribution was 56.8% male and 43.2% female. The population was made up of 19 Swiss men (51.4% of the population) and 2 (5.4%) non-Swiss men. There were 16 Swiss women (43.2%) and no (0.0%) non-Swiss women. Of the municipal population, 20 (about 51.3%) were born in Kammersrohr and lived there in 2000. There were 9 (23.1%) who were born in the same canton, while 6 (15.4%) were born somewhere else in Switzerland, and 4 (10.3%) were born outside of Switzerland. In the total Swiss population change (from all sources, including moves across municipal borders) was a decrease of three people and the non-Swiss population decreased by one person. This represents a population growth rate of -10.