SSA Field Office

Yankton, SDSocial Security Office

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

Filing an SSDI claim in Yankton?

Free Claim Review

Address, phone & hours

Your local SSA service center

Your local Social Security service center in Yankton supports 1,045 individuals receiving SSDI as of December 2024. The 57078 ZIP code accounts for 505 of these recipients. While the office's SSDI share of 8.6% is lower than the national median of 11.3%, it remains a vital point of contact for the $21 million in monthly benefits distributed across the region. This office handles 6.0% of all beneficiaries in South Dakota.

You can visit the Yankton office to file initial SSDI applications, drop off medical evidence, verify your identity, and set up direct deposit. This office does not make the final decision on your disability claim, which is handled by the state DDS. If your claim is denied and you request a hearing, that process takes place at a separate Office of Hearings Operations. An attorney can help you navigate these jurisdictional steps.

Who this office serves

12,100
Total beneficiaries
1,045
Disabled workers
9,680
Retired workers
24
ZIPs served

Beneficiaries in this service area receive an estimated $21,496k in Social Security benefits each month.

Before you visit

To ensure your visit is productive, bring a valid government-issued photo ID and a detailed 15-year work history. You should also provide a comprehensive list of all treating physicians with their contact information, along with any recent medical records or test results you have on hand. If you have received a denial letter or other correspondence from the SSA, bring those documents as well. An attorney can help you organize these records to ensure your claim is properly documented.

You may delay your benefits by failing to provide a complete work history or omitting recent medical records from your primary care providers. Another common error is neglecting to mention mental health conditions, which are just as relevant to your disability claim as physical injuries. Always review your application forms thoroughly before signing them to ensure all information is accurate and complete. An attorney can help you avoid these oversights to prevent unnecessary processing delays.

Filing an SSDI claim?

Free 2 minutes Confidential

Should you bring an attorney?

The application stage is the foundation of your entire claim, and mistakes made here can be difficult to correct during an appeal. You may find the process overwhelming and face initial denials without legal guidance. A qualified attorney can help you gather the necessary medical evidence and ensure your application accurately reflects your limitations. Contact us for a free case review to see how professional representation can strengthen your position.

Approval rates change with a lawyer

WITHOUT A LAWYER
1×
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.

If your SSDI claim moves to a hearing

About two-thirds of initial SSDI applications nationwide are denied. If yours is, your case moves to a hearing before an Administrative Law Judge at a regional hearing office. SSA assigns that office based on where you live. The hearing offices below are the closest to Yankton by distance, which is not always the office SSA assigns. The Yankton field office holds your file at every appeal stage, but the substantive decisions happen further up the chain.

Frequently asked questions