Sounds like you lived in Oregon for 2020 if you have not moved to Texas yet. File an Oregon tax return. Moving to Texas in 2021 does not affect your 2020 tax return.
But if you will be moving soon, use the mailing address on your tax return where you want to receive mail from the IRS.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
