River Sioux, IA ZIP Codes
One ZIP code serves River Sioux, Iowa: 51545. Together they are home to 267 residents in 131 households. That is more than the 7 people counted inside River Sioux Census-designated place, because these ZIP codes reach past its boundary.
River Sioux Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 7 |
| Households | 4 |
| Median household income | not published |
| Median home value | not published |
| Median age | not published |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 267 |
| Households (sum of ZIP codes) | 131 |
| Median household income, range across ZIP codes | $70,313 (51545) to $70,313 (51545) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $70,313 |
| Homeowners | 85.5% |
| Households with kids under 18 | 14.5% |
| Moved in the past year | 4.5% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in River Sioux
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 51545 | Little Sioux | 267 | 131 | $70,313 | $80,000 | 85.5% | 14.5% | 4.5% | — | — | 1% of its land |
A ZIP code is listed for River Sioux when at least 10% of its land lies inside the River Sioux Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is River Sioux. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside River Sioux.
Counties
- Harrison County — 13 ZIP codes
Price a mailing to River Sioux ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in River Sioux, IA?
- 51545. A ZIP code is listed for River Sioux when at least 10% of its land lies inside the River Sioux Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is River Sioux.
- What is the population of River Sioux, IA?
- The Census Bureau counts 7 residents inside River Sioux Census-designated place (ACS 2020–2024). The 1 ZIP code that serve River Sioux hold 267 residents in all.
- What is the median household income in River Sioux, IA?
- Across its ZIP codes the medians run from $70,313 to $70,313.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.