The IRS has processed 69.6 million federal income tax returns through March 14. Yet, that's down 1.4% from a year ago.

The question of how to track your federal tax return is a pretty simple one, because everyone everywhere can do so in the same place, but state tax returns? That answer is going to vary quite a bit.

To estimate the average refund in the U.S. and each state ... Meanwhile, West Virginia taxpayers had the lowest average ...