Facts and Figures Population* 225 383 Retail purchasing power* 4 941 EUR/Einwohner/Jahr Labour market General Unemployment rate* 8,60 % Labour - total* 74 060 person employed Labour by job specification Labour - expert* 9 % Labour - specialist* 11 % Labour - skilled worker* 62 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 4 792 €/month Gross salary - specialist* 3 470 €/month Gross salary - skilled worker* 2 810 €/month Gross salary - helper* 2 369 €/month Area information Types of use Industrial and commercial area* 1365 ha Residential building area* 6688 ha Agricultural area* 128 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website