Do Puerto Rico use US money?

Yes, Puerto Rico uses the United States dollar (USD) as its official currency. The island's currency has been tied to the US dollar since 1898, when Puerto Rico became a US territory. The US dollar is legal tender in Puerto Rico, and it is the currency that is most commonly used for transactions. However, due to Puerto Rico's unique political status, it does not have its own independent monetary policy, and the US Federal Reserve is responsible for managing the money supply and interest rates in Puerto Rico.