Portland, IA ZIP Codes
One ZIP code serves Portland, Iowa: 50401. Together they are home to 28,703 residents in 13,321 households. That is more than the 29 people counted inside Portland Census-designated place, because these ZIP codes reach past its boundary.
Portland Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 29 |
| Households | 16 |
| Median household income | not published |
| Median home value | not published |
| Median age | 68.1 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 28,703 |
| Households (sum of ZIP codes) | 13,321 |
| Median household income, range across ZIP codes | $66,072 (50401) to $66,072 (50401) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $66,072 |
| Homeowners | 66.3% |
| Households with kids under 18 | 25.0% |
| Moved in the past year | 12.9% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Portland
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50401 | Mason City | 28,703 | 13,321 | $66,072 | $146,500 | 66.3% | 25.0% | 12.9% | — | — | 1% of its land |
A ZIP code is listed for Portland when at least 10% of its land lies inside the Portland Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Portland. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Portland.
Counties
- Cerro Gordo County — 14 ZIP codes
- Floyd County — 11 ZIP codes
Nearby cities sharing these ZIP codes
- Mason City — 1 ZIP code
Price a mailing to Portland ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Portland, IA?
- 50401. A ZIP code is listed for Portland when at least 10% of its land lies inside the Portland Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Portland.
- What is the population of Portland, IA?
- The Census Bureau counts 29 residents inside Portland Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Portland hold 28,703 residents in all.
- What is the median household income in Portland, IA?
- Across its ZIP codes the medians run from $66,072 to $66,072.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.