Mandavaiya was born in a small village named Hanol in Palitana Taluka of Bhavnagar district of Gujarat State.[4] Born to a middle-class farmer family, he is the youngest amongst four brothers. He completed his primary education from the Government Primary School, Hanol and his high school studies from Songadh Guruku
Mansukh Mandaviya is married to Neetaben Mandaviya and they have two children.