Westphalia, IA ZIP Codes
2 ZIP codes serve Westphalia, Iowa: 51537 and 51578. Together they are home to 6,498 residents in 2,599 households. That is more than the 117 people counted inside Westphalia city limits, because these ZIP codes reach past its boundary.
Westphalia city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 117 |
| Households | 62 |
| Median household income | $77,083 |
| Median home value | $97,400 |
| Median age | 63.5 |
| Median rent | not published |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 6,498 |
| Households (sum of ZIP codes) | 2,599 |
| Median household income, range across ZIP codes | $65,000 (51537) to $65,000 (51537) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $65,000 |
| Homeowners | 76.0% |
| Households with kids under 18 | 30.5% |
| Moved in the past year | 9.3% |
| Carrier routes in EDDM2GO's route library | 1 routes, 48 homes (1 of 2 ZIP codes) |
Every ZIP code in Westphalia
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 51537 | Harlan | 6,382 | 2,538 | $65,000 | $166,800 | 76.1% | 31.0% | 9.4% | — | — | 0% of its land |
| 51578 | Westphalia | 116 | 61 | $77,292 | $97,600 | 72.1% | 9.8% | 5.2% | 1 | 54 | 100% of its land; mailing city |
A ZIP code is listed for Westphalia when at least 10% of its land lies inside Westphalia city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Westphalia. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Westphalia.
Counties
- Shelby County — 16 ZIP codes
Price a mailing to Westphalia ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Westphalia, IA?
- 51537 and 51578. A ZIP code is listed for Westphalia when at least 10% of its land lies inside Westphalia city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Westphalia.
- What is the population of Westphalia, IA?
- The Census Bureau counts 117 residents inside Westphalia city limits (ACS 2020–2024). The 2 ZIP codes that serve Westphalia hold 6,498 residents in all.
- What is the median household income in Westphalia, IA?
- $77,083 inside Westphalia city limits, per the Census Bureau. Across its ZIP codes the medians run from $65,000 to $65,000.
- How many carrier routes and mailboxes are in Westphalia, IA?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 1 carrier routes reaching 48 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.