Irwin, IA ZIP Codes
One ZIP code serves Irwin, Iowa: 51446. Together they are home to 499 residents in 231 households. That is more than the 352 people counted inside Irwin city limits, because these ZIP codes reach past its boundary.
Irwin city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 352 |
| Households | 173 |
| Median household income | $40,417 |
| Median home value | $72,900 |
| Median age | 48.5 |
| Median rent | $705 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 499 |
| Households (sum of ZIP codes) | 231 |
| Median household income, range across ZIP codes | $62,750 (51446) to $62,750 (51446) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $62,750 |
| Homeowners | 87.4% |
| Households with kids under 18 | 22.5% |
| Moved in the past year | 8.7% |
| Carrier routes in EDDM2GO's route library | 1 routes, 115 homes (1 of 1 ZIP codes) |
Every ZIP code in Irwin
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 51446 | Irwin | 499 | 231 | $62,750 | $91,400 | 87.4% | 22.5% | 8.7% | 1 | 118 | 2% of its land; mailing city |
A ZIP code is listed for Irwin when at least 10% of its land lies inside Irwin city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Irwin. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Irwin.
Counties
- Shelby County — 16 ZIP codes
Price a mailing to Irwin ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Irwin, IA?
- 51446. A ZIP code is listed for Irwin when at least 10% of its land lies inside Irwin city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Irwin.
- What is the population of Irwin, IA?
- The Census Bureau counts 352 residents inside Irwin city limits (ACS 2020–2024). The 1 ZIP code that serve Irwin hold 499 residents in all.
- What is the median household income in Irwin, IA?
- $40,417 inside Irwin city limits, per the Census Bureau. Across its ZIP codes the medians run from $62,750 to $62,750.
- How many carrier routes and mailboxes are in Irwin, IA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 1 carrier routes reaching 115 residential and 3 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.