Facts and Figures Population* 167 147 Retail purchasing power* 5 755 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,90 % Labour - total* 62 420 person employed Labour by job specification Labour - expert* 9 % Labour - specialist* 12 % Labour - skilled worker* 60 % Labour - helper* 18 % Gross salary by job specification Gross salary - expert* 5 277 €/month Gross salary - specialist* 4 259 €/month Gross salary - skilled worker* 3 389 €/month Gross salary - helper* 2 744 €/month Area information Types of use District area* 2 083,56 km² Industrial and commercial area* 710 ha Residential building area* 6719 ha Agricultural area* 23 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website