Crucea is a commune in Constanța County, Northern Dobruja, Romania. At the 2011 census, Crucea had 2,945 inhabitants, of which 2,768 w…Crucea is a commune in Constanța County, Northern Dobruja, Romania. At the 2011 census, Crucea had 2,945 inhabitants, of which 2,768 were Romanians, 7 Turks, 5 Roma, and 5 others. At the 2021 census, the commune had a population of 3,010; of those, 90.17% were Romanians and 0.37% Roma.