Facts and Figures Population* 258 781 Retail purchasing power* 6 571 EUR/Einwohner/Jahr Labour market General Unemployment rate* 3,80 % Labour - total* 89 090 person employed Labour by job specification Labour - expert* 10 % Labour - specialist* 16 % Labour - skilled worker* 58 % Labour - helper* 16 % Gross salary by job specification Gross salary - expert* 6 394 €/month Gross salary - specialist* 5 376 €/month Gross salary - skilled worker* 4 000 €/month Gross salary - helper* 3 048 €/month Area information Types of use District area* 642,34 km² Industrial and commercial area* 1014 ha Residential building area* 3581 ha Agricultural area* 158 ha Contact My|BusinessLocation Kundenservice Website