So, if it is a Republic (country) it can not be a U.S. territory, because it′s an independent state with their own Flag, President, legislative power, Constitution and 4 million people.
The name of the actual President is Dr. Oscar Arias Sánchez (2006-2010).
No, it is not. So when traveling there, you definitely need a passport (unlike, say, Puerto Rico, which is a US territory).
Admittedly, it feels a bit like a US territory. Since tourism is their number one source of revenue, many people make a living from tourism related jobs (driving people, giving tours, etc.), and because of that, it feels a bit like the Disney of Central America.
No, it isn't.
Costa Rica is an independent country in Centeramerica between Nicaragua and Panama.
Please also see the following link:
http://en.wikipedia.org/wiki/Costa_Rica
No, it is not. It is it's own sovereign nation.
believe it or not, no.