Meldal is a village and municipality in Sør-Trøndelag county, Norway. It is part of the Orkdalen region.The administrative centre of the municipality is the village of Meldal. The 0.75-square-kilometre (190-acre) village of Meldal has a population (2013) of 628, giving the village a population density of 837 inhabitants per square kilometre (2,170/sq mi).