I understand that there is a state supplement for those who qualify for SSI. Is that true? Christina Miller · February 15, 2023 · A I understand that there is a state supplement for those who qualify for SSI. Is that true? Yes. The 2022 monthly benefit rate for a single person receiving SSI is $1,040.21 per month. Most states pay a supplement based upon the costs of living in the region where the person lives. Back to Top