Template:Wp-Rheinfelden (district)

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Rheinfelden District lies in the northwest of the canton of Aargau in Switzerland, in the Fricktal region. Its capital is Rheinfelden. Around 88% of the population live in the conurbation of Basel. There are 14 municipalities, with a population of (as of ) living in an area of 112.09 km2. The population density is around 355 persons per square kilometre.