Facts and Figures Population* 258 057 Retail purchasing power* 4 902 EUR/Einwohner/Jahr Labour market General Unemployment rate* 8,00 % Labour - total* 89 360 person employed Labour by job specification Labour - expert* 10 % Labour - specialist* 12 % Labour - skilled worker* 60 % Labour - helper* 16 % Gross salary by job specification Gross salary - expert* 5 231 €/month Gross salary - specialist* 3 853 €/month Gross salary - skilled worker* 3 082 €/month Gross salary - helper* 2 615 €/month Area information Types of use District area* 5 495,58 km² Industrial and commercial area* 2258 ha Residential building area* 7422 ha Agricultural area* 147 ha Contact My|BusinessLocation Kundenservice Website