https://ttlc.intuit.com/community/account-updates/help/how-do-i-update-my-turbotax-account-information/00/25927
When you prepare your 2020 tax return you can change your address in My Info--but that will not go to the IRS until you file your tax return. The IRS will not be accepting 2020 returns until the end of January.
To change your address now with the IRS --- but this takes weeks --
CHANGE OF ADDRESS
https://www.irs.gov/faqs/irs-procedures/address-changes/address-changes
Make sure the post office is forwarding your mail.