Facts and Figures Population* 141 656 Retail purchasing power* 5 960 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,30 % Labour - total* 65 670 person employed Labour by job specification Labour - expert* 11 % Labour - specialist* 13 % Labour - skilled worker* 59 % Labour - helper* 16 % Gross salary by job specification Gross salary - expert* 6 279 €/month Gross salary - specialist* 5 005 €/month Gross salary - skilled worker* 3 966 €/month Gross salary - helper* 2 993 €/month Area information Types of use District area* 418,28 km² Industrial and commercial area* 972 ha Residential building area* 3279 ha Agricultural area* 3 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website