Facts and Figures Population* 136 610 Retail purchasing power* 9 093 EUR/Einwohner/Jahr Labour market General Unemployment rate* 2,60 % Labour - total* 56 510 person employed Labour by job specification Labour - expert* 24 % Labour - specialist* 17 % Labour - skilled worker* 46 % Labour - helper* 13 % Gross salary by job specification Gross salary - expert* 6 681 €/month Gross salary - specialist* 5 426 €/month Gross salary - skilled worker* 4 013 €/month Gross salary - helper* 3 141 €/month Area information Types of use District area* 487,71 km² Industrial and commercial area* 257 ha Residential building area* 2925 ha Agricultural area* 108 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website