Roberts County, SD ZIP codes
There are 8 ZIP codes in Roberts County, SD, in 8 towns, from 56219 to 57279. The largest are 57262 (Sisseton), 57279 (Wilmot) and 57260 (Rosholt). 1 more crosses into it from a neighbouring county: 57266.
The county seat is Sisseton.
- ZIP codes
- 8
- Partly in it
- 1 more
- Towns
- 8
- County seat
- Sisseton
- County FIPS
46109- State
- South Dakota
- Population
- 10,221
- Median household income
- $65,130
- Land area
- 1,101 sq mi
Roberts County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Roberts County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Roberts County.
- 57266 Summit · mostly in Grant County
Map of Roberts County ZIP codes
The ZIP codes of Roberts County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Roberts County in numbers
About 10,221 people live in Roberts County, in 3,625 households, the 18th most populous of South Dakota's 66 counties. The median household income is $65,130 a year, 13% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $154,500 (40% below the South Dakota median), and median gross rent is $658 a month. The median age is 38.5; 18.6% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 16 minutes.
| Population | 10,221 |
|---|---|
| Households | 3,625 |
| Median age | 38.5 |
| Median household income | $65,130 |
| Median home value | $154,500 |
| Median gross rent | $658 |
| Bachelor's degree or higher | 18.6% |
| Mean commute | 16.2 min |
| Population density | 9 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Roberts County
| Town | ZIP codes | Population |
|---|---|---|
| Sisseton | 1 | 2,670 |
| Rosholt | 1 | 428 |
| Browns Valley | 1 | 382 |
| Wilmot | 1 | 381 |
| New Effington | 1 | 269 |
| Peever | 1 | 145 |
| Claire City | 1 | 107 |
| Corona | 1 | 87 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Roberts County.
- Codington County (6)
- Richland County, ND (15)
- Grant County (10)
- Day County (7)
- Big Stone County, MN (7)
- Marshall County (6)
- Sargent County, ND (8)
- Traverse County, MN (3)
Not sure you are in Roberts County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Roberts County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
56219 | Browns Valley , MN | Standard | 697 | $68,833 | $150,000 |
57224 | Claire City , SD | Standard | 164 | $59,063 | $75,000 |
57227 | Corona , SD | Standard | 562 | $96,500 | $192,900 |
57255 | New Effington , SD | Standard | 488 | $63,393 | — |
57257 | Peever , SD | Standard | 637 | $55,625 | $75,000 |
57260 | Rosholt , SD | Standard | 1,119 | $82,656 | $170,000 |
57262 | Sisseton , SD | Standard | 5,100 | $51,889 | $130,000 |
57279 | Wilmot , SD | Standard | 899 | $71,324 | $188,000 |
Cite this page
zipcodes.pro. “Roberts County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/sd/county/roberts
Underlying data is public domain or openly licensed — sources, vintages and licences.