Were any dollar coins minted in 2002?

Yes, dollar coins were minted in 2002. The U.S. Mint produced the Sacagawea dollar, which features the image of Sacagawea, a Shoshone woman who assisted Lewis and Clark on their expedition. Additionally, the Mint also issued the Presidential dollar coins starting in 2007, but the Sacagawea dollar was the only dollar coin minted in 2002.