Facts and Figures Population* 312 033 Retail purchasing power* 5 157 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,30 % Labour - total* 124 450 person employed Labour by job specification Labour - expert* 10 % Labour - specialist* 11 % Labour - skilled worker* 57 % Labour - helper* 22 % Gross salary by job specification Gross salary - expert* 4 890 €/month Gross salary - specialist* 3 779 €/month Gross salary - skilled worker* 2 898 €/month Gross salary - helper* 3 360 €/month Area information Types of use Industrial and commercial area* 1889 ha Residential building area* 6899 ha Agricultural area* 0 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website