Facts and Figures Population* 244 989 Retail purchasing power* 7 119 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,10 % Labour - total* 90 040 person employed Labour by job specification Labour - expert* 11 % Labour - specialist* 14 % Labour - skilled worker* 58 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 6 126 €/month Gross salary - specialist* 4 741 €/month Gross salary - skilled worker* 3 595 €/month Gross salary - helper* 2 845 €/month Area information Types of use District area* 766,23 km² Industrial and commercial area* 1097 ha Residential building area* 5127 ha Agricultural area* 14 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website