Municipality Basic data Type of municipality City Location Germany » Northrhine-Westphalia » Märkischer Kreis, Kreis » Altena Population* 16 621 Retail purchasing power* 5 959 €/person/year Urbanization* medium populated Area information Municipal area* 44,42 km² Industrial and commercial area* 121 ha Residential building area* 323 ha Agricultural area* 1 ha Excise tax Level of business tax* 480 % (municipal rate) Level of land tax B* 910 % (municipal rate) Labour market (in district) Labour market Unemployment rate (in district)* 8,2 % Labour - total* 158 940 person employed Labour by job specification Labour - expert* 9 % Labour - specialist* 12 % Labour - skilled worker* 58 % Labour - helper* 19 % Gross salary by job specification Gross salary - expert* 6 451 €/month Gross salary - specialist* 5 079 €/month Gross salary - skilled worker* 3 818 €/month Gross salary - helper* 2 968 €/month Infrastructure Motorway Motorway (distance)* 6 km Motorway junction Lüdenscheid-Nord (A45) Nearby motorways A45 Airport Airport (distance)* 24 km Name of airport Flughafen Dortmund Port Port (distance)* 29 km Name of port Dortmunder Hafen Port type Inland port Modality trimodal Waters Dortmund-Ems-Kanal Freight village Freight village (distance)* 45 km Name of freight village GVZ Herne-Emscher Modality trimodal Contact My|BusinessLocation Kundenservice Website