The population of Harsens Island is 2,000.
The address of the Harsens Island-St Clair Flats Historical Society is: Po Box 44, Harsens Island, MI 48028-0044
The address of the Lake St Clair Save Our South Channel Lights is: Po Box 15, Harsens Island, MI 48028-0015
Gambier Islands's population is 1,337.
Marquesas Islands's population is 8,632.
Cham Islands's population is 3,000.
The population of Islands Region is 918,151.
The population of Pitcairn Islands is 67.
Comoros Islands's population is 984,500.
The population of Cíes Islands is 3.
Dinagat Islands's population is 120,813.
The population of Islands District is 140,188.
Andaman Islands's population is 343,125.