Ranum is a town in the former municipality of Løgstør and Vesthimmerland Municipality in Denmark. It is the fifth largest town in Vesthimmerlan…Ranum is a town in the former municipality of Løgstør and Vesthimmerland Municipality in Denmark. It is the fifth largest town in Vesthimmerland Municipality and is situated approximately 3 km from the inlet Limfjorden and 1 hour from the two major cities Aalborg and Viborg. Ranum has a population of 934.