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).
... a median income of $46,444 versus $34,000 for females. The per capita income for the town is $25,432. 4.8% of the population and 3.4% of families are below the poverty ...