No - If it's the federal refund, you do not report that as income.
Yes - If it's the state refund and you itemized deductions last year.
No - If it's the state refund and you took the standard deduction last year (did not itemize).
Estimated tax payments are considered credits towards your taxes owed and are not considered an expense. You are absolutely correct to enter the payments in the Estimated Tax payment section!
The payment you made for 2019 taxes in March 2020 is a credit on your 2019 return, not an expense in either year.
[Edited | 4/8/2020 | 10:45am PDT]
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"