Facts and Figures Population* 421 689 Retail purchasing power* 6 288 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,30 % Labour - total* 141 390 person employed Labour by job specification Labour - expert* 11 % Labour - specialist* 11 % Labour - skilled worker* 57 % Labour - helper* 19 % Gross salary by job specification Gross salary - expert* 6 443 €/month Gross salary - specialist* 5 013 €/month Gross salary - skilled worker* 3 792 €/month Gross salary - helper* 2 996 €/month Area information Types of use District area* 1 397,32 km² Industrial and commercial area* 1633 ha Residential building area* 6582 ha Agricultural area* 107 ha Contact My|BusinessLocation Kundenservice Website