Phantom islands are islands that are believed to exist and appear on maps for a period of time (sometimes centuries), and they are removed after they are proven not to exist (or the general population stops believing that they exist).
... Males have a median income of $50,361 versus $31,709 for females. The per capita income for the town is $24,031. 3.6% of the population and 2.4% of families are below ...