Municipality Basic data Type of municipality City Location Germany » Hesse » Darmstadt-Dieburg, Landkreis » Groß-Umstadt Population 21 245 Urbanization medium populated Area information Municipal area 86,84 km² Average land price (in district) 456,23 €/m² Industrial and commercial area 59 ha Residential building area 348 ha Agricultural area 11 ha Retail purchasing power Retail purchasing power (per person) 6 294 €/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 405 % (municipal rate) Level of land tax B 695 % (municipal rate) Labour market (in district) Labour market Unemployment rate (in district) 5,2 % Labour - total 81 180 persons employed Labour by job specification Labour - expert 12 % Labour - specialist 13 % Labour - skilled worker 54 % Labour - helper 20 % Gross salary by job specification Gross salary - expert 6 179 €/month Gross salary - specialist 4 757 €/month Gross salary - skilled worker 3 679 €/month Gross salary - helper 2 793 €/month Commuter In-commuters rate n.a. Out-commuters rate n.a. Commuter balance n.a. Infrastructure Motorway Motorway (distance) 16 km Motorway junction Stockstadt (A3) Nearby motorways A3 A45 Airport Airport (distance) 32 km Name of airport Flughafen Frankfurt Port Port (distance) 17 km Name of port Bayernhafen Aschaffenburg Port type Inland port Modality trimodal Waters Main Freight village Freight village (distance) 111 km Name of freight village GVZ Koblenz Modality trimodal Contact My|BusinessLocation Kundenservice Website