Municipality Basic data Type of municipality Municipality Location Germany » Hesse » Groß-Gerau, Landkreis » Trebur Population* 12 799 Retail purchasing power* 6 364 €/person/year Urbanization* sparsely populated Area information Municipal area* 50,13 km² Industrial and commercial area* 36 ha Residential building area* 184 ha Agricultural area* 4 ha Excise tax Level of business tax* 420 % (municipal rate) Level of land tax B* 920 % (municipal rate) Labour market (in district) Labour market Unemployment rate (in district)* 6,8 % Labour - total* 98 570 person employed Labour by job specification Labour - expert* 15 % Labour - specialist* 14 % Labour - skilled worker* 51 % Labour - helper* 20 % Gross salary by job specification Gross salary - expert* 7 087 €/month Gross salary - specialist* 5 484 €/month Gross salary - skilled worker* 3 751 €/month Gross salary - helper* 2 938 €/month Infrastructure Motorway Motorway (distance)* 5 km Motorway junction Rüsselsheim-Mitte (A60) Nearby motorways A3 A60 A66 A67 A671 Airport Airport (distance)* 16 km Name of airport Flughafen Frankfurt Port Port (distance)* 15 km Name of port Hafen Mainz Port type Inland port Modality trimodal Waters Rhein Freight village Freight village (distance)* 77 km Name of freight village GVZ Koblenz Modality trimodal Contact My|BusinessLocation Kundenservice Website