Grassland Colony, SD ZIP Codes
One ZIP code serves Grassland Colony, South Dakota: 57481. Together they are home to 271 residents in 121 households. That is more than the 15 people counted inside Grassland Colony Census-designated place, because these ZIP codes reach past its boundary.
Grassland Colony Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 15 |
| Households | 6 |
| Median household income | not published |
| Median home value | not published |
| Median age | 45.3 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 271 |
| Households (sum of ZIP codes) | 121 |
| Median household income, range across ZIP codes | $68,125 (57481) to $68,125 (57481) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $68,125 |
| Homeowners | 95.0% |
| Households with kids under 18 | 27.3% |
| Moved in the past year | 0.7% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Grassland Colony
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57481 | Westport | 271 | 121 | $68,125 | $215,600 | 95.0% | 27.3% | 0.7% | — | — | 0% of its land |
A ZIP code is listed for Grassland Colony when at least 10% of its land lies inside the Grassland Colony Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Grassland Colony. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Grassland Colony.
Counties
- Brown County — 16 ZIP codes
Price a mailing to Grassland Colony ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Grassland Colony, SD?
- 57481. A ZIP code is listed for Grassland Colony when at least 10% of its land lies inside the Grassland Colony Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Grassland Colony.
- What is the population of Grassland Colony, SD?
- The Census Bureau counts 15 residents inside Grassland Colony Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Grassland Colony hold 271 residents in all.
- What is the median household income in Grassland Colony, SD?
- Across its ZIP codes the medians run from $68,125 to $68,125.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.