Facts and Figures Population* 239 264 Retail purchasing power* 8 018 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,80 % Labour - total* 112 130 person employed Labour by job specification Labour - expert* 19 % Labour - specialist* 20 % Labour - skilled worker* 48 % Labour - helper* 13 % Gross salary by job specification Gross salary - expert* 7 079 €/month Gross salary - specialist* 5 946 €/month Gross salary - skilled worker* 4 463 €/month Gross salary - helper* 3 039 €/month Area information Types of use District area* 222,53 km² Industrial and commercial area* 435 ha Residential building area* 2690 ha Agricultural area* 46 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website