Facts and Figures Population* 245 903 Retail purchasing power* 5 657 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,50 % Labour - total* 97 490 person employed Labour by job specification Labour - expert* 13 % Labour - specialist* 12 % Labour - skilled worker* 58 % Labour - helper* 16 % Gross salary by job specification Gross salary - expert* 6 154 €/month Gross salary - specialist* 5 083 €/month Gross salary - skilled worker* 3 922 €/month Gross salary - helper* 2 799 €/month Area information Types of use District area* 1 262,37 km² Industrial and commercial area* 949 ha Residential building area* 4679 ha Agricultural area* 174 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website