Rock Rapids, IA ZIP Codes
One ZIP code serves Rock Rapids, Iowa: 51246. Together they are home to 4,041 residents in 1,330 households. That is more than the 2,661 people counted inside Rock Rapids city limits, because these ZIP codes reach past its boundary.
Rock Rapids city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 2,661 |
| Households | 975 |
| Median household income | $63,942 |
| Median home value | $206,700 |
| Median age | 41 |
| Median rent | $812 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 4,041 |
| Households (sum of ZIP codes) | 1,330 |
| Median household income, range across ZIP codes | $72,400 (51246) to $72,400 (51246) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $72,400 |
| Homeowners | 78.8% |
| Households with kids under 18 | 37.2% |
| Moved in the past year | 6.8% |
| Carrier routes in EDDM2GO's route library | 4 routes, 1,537 homes (1 of 1 ZIP codes) |
Every ZIP code in Rock Rapids
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 51246 | Rock Rapids | 4,041 | 1,330 | $72,400 | $247,900 | 78.8% | 37.2% | 6.8% | 4 | 1,656 | 3% of its land; mailing city |
A ZIP code is listed for Rock Rapids when at least 10% of its land lies inside Rock Rapids city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Rock Rapids. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Rock Rapids.
Counties
- Lyon County — 9 ZIP codes
Price a mailing to Rock Rapids ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Rock Rapids, IA?
- 51246. A ZIP code is listed for Rock Rapids when at least 10% of its land lies inside Rock Rapids city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Rock Rapids.
- What is the population of Rock Rapids, IA?
- The Census Bureau counts 2,661 residents inside Rock Rapids city limits (ACS 2020–2024). The 1 ZIP code that serve Rock Rapids hold 4,041 residents in all.
- What is the median household income in Rock Rapids, IA?
- $63,942 inside Rock Rapids city limits, per the Census Bureau. Across its ZIP codes the medians run from $72,400 to $72,400.
- How many carrier routes and mailboxes are in Rock Rapids, IA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 4 carrier routes reaching 1,537 residential and 118 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.