Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Oberwil bei Büren is a municipality in the district of Büren in the canton of Bern in Switzerland. Oberwil has an area of 6.7 square kilometers (2.6 sq mi). Of this area, 56.2% is used for agricultural purposes, while 36% is forested. The rest of the land, (7.9%) is settled. Oberwil has a population (as of 2007) of 787, of which 4.8% are foreign nationals. Over the last 10 years the population has grown at a rate of 3.4%. Most of the population (as of 2000) speaks German (97.9%), with French being second most common ( 0.9%) and Serbo-Croatian being third ( 0.5%).