2,250, send enquiry Your enquiry has been sent. Veuillez consulter nos informations sur les cookies. The number of jobs in the tertiary sector was 2,584. Riehen is first mentioned in 1157. About.0 of the workforce coming into Riehen are coming from outside Switzerland, while.1 of the locals commute out of Switzerland for work. Accessed 18-April-2011 a b c d e f stat-TAB Datenwürfel für Thema.3 - 2000 Archived August 9, 2013, at the Wayback Machine.