Ireland is a 27,137 sq. mile island that is neighbored by the United Kingdom. Ireland is split into to areas called The Republic of Ireland and Ireland. They share the same capital called Dublin. The population of Ireland is 3,863,000. The population density of Ireland is 131 people per sq. mile. The Irish use a money currency different from the United States. They use the Irish pound. The Exchange in1996 is the Irish pound per U.S dol