If the 1099R from the Traditional IRA provider, box 7, is coded a 4, it is not taxable by PA. If coded 4D however, it is an annuity and is taxable same as federal.
No, if that's your Only income. Although described income is taxable, the amount is below the standard deduction ($12,000) for single filers on 2018 returns.You should file, though, to validate that you have no other income ...
