- As usual, the islands got covered with various aquatic rank grasses and became a rich grazing field.
- Migrating people did not come here for settlement until 1970. But after the cyclone of 1970, which washed away all but 11 of its 700 inhabitants.
- Many lived here on purely seasonal basis and the territory. At about the same time, a large number of people losing their lands and homes because of riverbank erosion in nearby areas, especially Hatiya, Shahbajpur and Ramgati migrated to the island as new settlers.
- The population in Nijhum Dwip is now near about 20000. Their main occupations are cultivation, fishing and livestock farming. The island produces vegetables in large quantities. Life in the island is hard and risky.
- Nijhum Dwip has six bazaar and a post office. These bazaars are the only places in the islands to have electricity from generators.
- The preparation of the fishermen welcomes the flow tide. The catching scenery of silver hilsha and other fishes is also enjoyable as the sea surface covers with colorful engine boats and country boats.