New Mexico
In New Mexico, 297,313 retirees got an average of $1,378.17 a month in benefits. That adds up to $16,538.05 a year. New Mexico turns out to be one of 13 states that tax Social Security benefits.

New Mexico
Montana
It’s said that Montana retirees were getting Social Security payments in 2018 that averaged $1,386.69 per month. That added up to $16,640.33 a year. Montana is also one of the 13 states that tax Social Security benefits.

Montana