Do I have to file taxes on my Social Security to receive the stimulus? It's my only income!

You should receive the stimulus check automatically if you receive Social Security income.   Stimulus payments to SS recipients have just started to go out.

 

You can use the IRS Get My Payment site to see what is expected for your 3rd stimulus check:

 

https://www.irs.gov/coronavirus/get-my-payment

 

https://www.irs.gov/coronavirus/get-my-payment-frequently-asked-questions

No, you should not need to file a 2020 tax return for the third stimulus payment.

Go to this IRS website for information - https://www.irs.gov/coronavirus/get-my-payment