Income and Social Security

Washington SSI supplement

Washington pays a State Supplemental Payment, or SSP, on top of federal SSI. If you get SSI because you are 65 or older, the state adds $33 a month.

Checked Oct 28, 2026

From the Washington State Department of Social and Health Services (DSHS)

People on SSI in a medical institution get a separate state amount that raises what they keep for personal needs.

How to apply in Washington

Who runs it: Washington State Department of Social and Health Services (DSHS)

Who may qualify for State Supplemental Payment
Who may get it	People Social Security finds eligible for SSI because they are 65 or older, blind or disabled, plus a few other groups

What State Supplemental Payment pays
Monthly supplement, one person 65 or older on SSI (rule effective July 2026)	$33 a month
Monthly supplement, couple (rule effective July 2026)	The rule sets $33 a month per eligible person; it doesn't list a separate couple amount
Monthly supplement, SSI recipient in a medical institution	$70 a month as of July 2023, raised each January since 2024 by Social Security's cost-of-living increase

Where Washington's rules differ from the federal rules for State SSI supplements.

Paid separately by the state, as a state-funded payment to people Social Security finds eligible for SSI

People who were on state assistance in December 1973 (grandfathered clients) get a different amount, from $0.54 to $199.77 a month.
Since December 2023, people who get SSI because they are 65 or older are among those who can get SSP.

Free help

Statewide Health Insurance Benefits Advisors (SHIBA)
Free, unbiased Medicare counseling in Washington. Trained counselors go through your costs and choices with you, and they don't sell plans.
1-800-562-6900
Washington Office of the Insurance Commissioner website (official government site)
Home and Community Living Administration (HCLA)
Your local Area Agency on Aging can help with meals, rides, help at home, caregiver support and applying for benefits.
Washington Department of Social and Health Services, Home and Community Living Administration website (official government site)

State SSI supplement in another state

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