Facts and Figures Population* 265 140 Retail purchasing power* 5 614 EUR/Einwohner/Jahr Labour market General Unemployment rate* 6,30 % Labour - total* 90 380 person employed Labour by job specification Labour - expert* 13 % Labour - specialist* 11 % Labour - skilled worker* 55 % Labour - helper* 20 % Gross salary by job specification Gross salary - expert* 6 340 €/month Gross salary - specialist* 4 870 €/month Gross salary - skilled worker* 3 873 €/month Gross salary - helper* 2 835 €/month Area information Types of use District area* 941,49 km² Industrial and commercial area* 928 ha Residential building area* 4856 ha Agricultural area* 27 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website