Marigaon is an administrative district in the state of Assam in India. The district headquarters are located at Marigaon. The district occupies an area of 1704 km² and has a population of 775,874 (as of 2001). Assam (ঠসম) is a northeastern state of India with its capital at Dispur. ... Marigaon is an administrative district in the state of Assam in India. ...-1... Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. ... 2001: A Space Odyssey. ...