Facts and Figures Population* 271 667 Retail purchasing power* 5 766 EUR/Einwohner/Jahr Labour market General Unemployment rate* 5,10 % Labour - total* 106 490 person employed Labour by job specification Labour - expert* 15 % Labour - specialist* 12 % Labour - skilled worker* 56 % Labour - helper* 17 % Gross salary by job specification Gross salary - expert* 5 862 €/month Gross salary - specialist* 4 935 €/month Gross salary - skilled worker* 3 766 €/month Gross salary - helper* 2 934 €/month Area information Types of use District area* 854,56 km² Industrial and commercial area* 1006 ha Residential building area* 4465 ha Agricultural area* 140 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website