Sanborn County, SD ZIP Codes
3 ZIP codes cover all or part of Sanborn County, South Dakota: 57385, 57359 and 57314. The Census Bureau counts 2,384 residents in the county, with a median household income of $78,750 and a median home value of $135,600. Its largest communities include Woonsocket, Letcher, Artesian, Forestburg and Upland Colony.
Sanborn County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 2,384 |
| Households | 946 |
| Median household income | $78,750 |
| Median home value | $135,600 |
| Median age | 40.1 |
| Median rent | $725 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 2,632 |
| Households (sum of ZIP codes) | 1,046 |
| Median household income, range across ZIP codes | $70,404 (57385) to $70,404 (57385) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $70,404 |
| Homeowners | 80.7% |
| Households with kids under 18 | 27.2% |
| Moved in the past year | 3.8% |
| Carrier routes in EDDM2GO's route library | 2 routes, 239 homes (1 of 3 ZIP codes) |
Every ZIP code in Sanborn County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57385 | Woonsocket | 1,408 | 605 | $70,404 | $126,900 | 80.0% | 26.3% | 5.3% | — | — | 66% of its land |
| 57359 | Letcher | 652 | 234 | $106,818 | $166,800 | 87.6% | 34.6% | 2.8% | — | — | 76% of its land |
| 57314 | Artesian | 572 | 207 | $85,515 | $153,100 | 74.9% | 21.3% | 1.2% | 2 | 245 | 100% of its land |
A ZIP code is listed for Sanborn County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Woonsocket — 759 residents · 1 ZIP code
- Letcher — 171 residents · 1 ZIP code
- Artesian — 148 residents · 1 ZIP code
- Forestburg — 113 residents · 1 ZIP code
- Upland Colony — 30 residents · 1 ZIP code
- Lane — 28 residents · 2 ZIP codes
- Storla — 0 residents · 1 ZIP code
Price a mailing to Sanborn County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Sanborn County, SD?
- 57385, 57359 and 57314. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Sanborn County?
- 2,384 residents in 946 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Sanborn County?
- $78,750 for the county as a whole. Its ZIP codes range from $70,404 (57385) to $70,404 (57385).
- How many carrier routes and mailboxes are in Sanborn County?
- For the 1 of 3 ZIP codes in EDDM2GO's stored route library: 2 carrier routes reaching 239 residential and 6 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.