Facts and Figures Population* 548 233 Retail purchasing power* 6 626 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,70 % Labour - total* 185 440 person employed Labour by job specification Labour - expert* 12 % Labour - specialist* 25 % Labour - skilled worker* 47 % Labour - helper* 16 % Gross salary by job specification Gross salary - expert* 6 578 €/month Gross salary - specialist* 6 346 €/month Gross salary - skilled worker* 3 839 €/month Gross salary - helper* 2 993 €/month Area information Types of use District area* 1 061,55 km² Industrial and commercial area* 2113 ha Residential building area* 7697 ha Agricultural area* 166 ha Contact My|BusinessLocation Kundenservice Website