SSA Field Office

Yankton, SDSocial Security Office

Yankton serves 24 ZIP codes — file an SSDI application, submit medical records, or update your benefit details here.

Filing an SSDI claim in Yankton?

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Address, phone & hours

Your local SSA service center

Your local Social Security service center in Yankton supports a community where 11,865 beneficiaries receive monthly payments totaling $20 million. While the catchment area skews retirement-heavy with 84% of beneficiaries aged 65 or older, the office remains a primary point of contact for the 1,060 local residents receiving SSDI. Serving 24 ZIP codes, this office handles the foundational paperwork for your disability claim.

You can visit Yankton to file initial SSDI applications, drop off medical evidence, verify your identity, or update your direct deposit information. Note that this office does not make final disability decisions; that responsibility lies with the state Disability Determination Services. Additionally, this location does not conduct hearings, which are handled by the Office of Hearings Operations. While walk-ins are accepted, scheduling an appointment in advance is the most effective way to ensure a claims representative is available to assist you.

Who this office serves

11,865
Total beneficiaries
1,060
Disabled workers
9,410
Retired workers
24
ZIPs served

Beneficiaries in this service area receive an estimated $20,242k in Social Security benefits each month.

Before you visit

When you arrive at 1818 Broadway Ave, bring a government-issued photo ID and a comprehensive 15-year work history. You should also provide a list of all treating physicians with their contact information, recent medical records, and a current list of medications. If you have received any prior denial notices, bring those documents to help the representative understand your claim history.

You may delay your benefits by submitting incomplete work histories or failing to provide contact information for all recent treating doctors. Forgetting to disclose mental health conditions or specific physical limitations can also lead to an incomplete picture of your disability. Avoid signing any forms until you have read them thoroughly and understand what information is being shared. Providing accurate, detailed records at this initial stage is essential for avoiding unnecessary processing delays.

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Should you bring an attorney?

The application stage is the foundation of your entire disability claim, and errors made here can be difficult to correct later. If you apply without legal guidance, you may find the process overwhelming and face initial denials. An attorney can help you organize your medical evidence and ensure your application accurately reflects your functional limitations before it reaches the state decision-makers.

Approval rates change with a lawyer

WITHOUT A LAWYER
baseline approval rate
Unrepresented claimants
WITH A LAWYER
~3×
higher approval rate
Represented claimants

Source: U.S. Government Accountability Office, GAO-18-37. The 3× gap is a population-wide average across all judges; individual outcomes vary.

Frequently asked questions