Facts and Figures Population* 327 502 Retail purchasing power* 5 609 EUR/Einwohner/Jahr Labour market General Unemployment rate* 8,60 % Labour - total* 156 480 person employed Labour by job specification Labour - expert* 14 % Labour - specialist* 13 % Labour - skilled worker* 54 % Labour - helper* 19 % Gross salary by job specification Gross salary - expert* 5 655 €/month Gross salary - specialist* 4 641 €/month Gross salary - skilled worker* 3 728 €/month Gross salary - helper* 2 834 €/month Area information Types of use Industrial and commercial area* 1459 ha Residential building area* 5084 ha Agricultural area* 4 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website