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Social Security Offices in Sioux City, Iowa

1 office · Plymouth County / Woodbury County

Sioux City has one Social Security field office, in Plymouth County / Woodbury County. It serves the city and the surrounding area, the closest office for 113 nearby communities, and is one of Iowa's 17 field offices. Its address, hours, phone number, and directions are below.

office in city
1
communities served
113
people in service area
105K
county
Plymouth County / Woodbury County
to next-nearest city
61 mi

The Sioux City office on the map

1 location, Social Security offices in Sioux City. Click a pin for the address and a link.

The Sioux City Social Security office

Visiting a Sioux City office

  • Most services now require an appointment. Book by calling the office or 1-800-772-1213 (TTY 1-800-325-0778).
  • Bring a photo ID and your Social Security number, plus original documents for your request.
  • Field offices are open weekdays only and closed on federal holidays. Check the exact hours on each office page above.
  • Skip the trip when you can: replace a card, get a benefit letter, or update direct deposit online at ssa.gov.

Towns served by the Sioux City office

Many nearby towns have no Social Security office of their own, so the Sioux City office is their closest option. It's the nearest field office for 113 surrounding communities, the largest is South Sioux City (13,814 residents):

Town Distance Population
South Sioux City, IA 3.4 mi 13,814
Sergeant Bluff, IA 3.1 mi 5,000
Big Sioux, IA 9.4 mi 4,797
Dakota Dunes, IA 7.2 mi 3,231
North Sioux City, IA 8.4 mi 3,015
Dakota City, IA 4 mi 2,058
Lawton, IA 9 mi 936
Homer, IA 11.2 mi 517
Salix, IA 10.3 mi 292
Bronson, IA 7.7 mi 290
Jackson, IA 10.7 mi 202
Hubbard, IA 12.7 mi 163

…and 101 more nearby communities closest to this office.

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Other Social Security offices near Sioux City

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Sioux City Social Security offices: FAQs

How many Social Security offices are in Sioux City?
Sioux City, Iowa has 1 Social Security field office, listed below with its address, hours, and phone number.
Do I need an appointment at the Sioux City office?
Since 2025 the SSA asks most visitors to book an appointment before coming in. Call the office directly or the national line at 1-800-772-1213 (TTY 1-800-325-0778) to schedule one and cut your wait.
What should I bring to a Sioux City Social Security office?
Bring a photo ID and your Social Security number, plus original documents for your request, for example, proof of identity and citizenship or immigration status for a new or replacement card.
What's the nearest Social Security office to Sioux City?
The closest field office outside Sioux City is in Yankton, about 61 miles away. More nearby offices are listed on this page.
Can I avoid visiting a Sioux City office?
Many tasks, replacing a card, checking an application, getting a benefit verification letter, or updating direct deposit, can be done online with a free my Social Security account at ssa.gov, with no visit needed.