On which IRS form,do enter the amount of mortgage interest that I paid in 2020 ?

[Critter-3]

Schedule A. 

[VolvoGirl]

Enter Mortgage Interest, Points Paid & Property Tax  under

Federal Taxes (Personal in Home & Business version)

Deductions and Credits

Your Home

Mortgage Interest - Click the Start or Update Button

OR Property Taxes - Click the Start or Update Button

Then All your total itemized deductions have to be more than the standard deduction to get any benefit from them. Just enter all your itemized deductions in. The program will use whichever is larger - standard or itemized.

For 2020 the standard deduction amounts are:

Single 12,400 + 1,650 for 65 and over or blind (14,050)

HOH 18,650 + 1,650 for 65 and over or blind

Joint 24,800 + 1,300 for each 65 and over or blind

Married filing Separate 12,400 + 1,300 for 65 and over or blind