Lenzburg District Canton of Aargau Lenzburg District is a district of the Canton of Aargau in Switzerland, lying at the center of the canton. The district capital is the town of Lenzburg. It has a population of 65,707. On view Times Under Pressure - Fotofestival Lenzburg Dates unconfirmed A group photography exhibition at Fotofestival Lenzburg exploring the tensions and transformations of our time through the lenses of multiple artists. Save exhibition