Municipality Basic data Type of municipality Municipality Location Germany » Hesse » Groß-Gerau, Landkreis » Trebur Population 12 799 Urbanization sparsely populated Area information Municipal area 50,13 km² Average land price (in district) 620,53 €/m² Industrial and commercial area 36 ha Residential building area 184 ha Agricultural area 4 ha Retail purchasing power Retail purchasing power (per person) 6 364 €/year Retail purchasing power index (per person) n.a. Retail purchasing power (per household) n.a. Retail purchasing power index (per household) n.a. Excise tax Level of business tax 420 % (municipal rate) Level of land tax B 820 % (municipal rate) Labour market (in district) Labour market Unemployment rate (in district) 6,8 % Labour - total 98 570 persons 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 Commuter In-commuters rate n.a. Out-commuters rate n.a. Commuter balance n.a. 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