Facts and Figures Population* 346 363 Retail purchasing power* 6 926 EUR/Einwohner/Jahr Labour market General Unemployment rate* 2,80 % Labour - total* 152 700 person employed Labour by job specification Labour - expert* 13 % Labour - specialist* 17 % Labour - skilled worker* 55 % Labour - helper* 15 % Gross salary by job specification Gross salary - expert* 7 444 €/month Gross salary - specialist* 5 600 €/month Gross salary - skilled worker* 4 174 €/month Gross salary - helper* 2 980 €/month Area information Types of use District area* 1 099,91 km² Industrial and commercial area* 1993 ha Residential building area* 5589 ha Agricultural area* 218 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website