Mason City, IA ZIP Codes
One ZIP code serves Mason City, Iowa: 50401. Together they are home to 28,703 residents in 13,321 households.
Mason City city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 27,050 |
| Households | 12,698 |
| Median household income | $64,804 |
| Median home value | $142,000 |
| Median age | 42.5 |
| Median rent | $882 |
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 Mason City
| 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% | — | — | 19% of its land; mailing city |
A ZIP code is listed for Mason City when at least 10% of its land lies inside Mason City city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Mason City. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Mason City.
Counties
- Cerro Gordo County — 14 ZIP codes
Price a mailing to Mason City ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Mason City, IA?
- 50401. A ZIP code is listed for Mason City when at least 10% of its land lies inside Mason City city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Mason City.
- What is the population of Mason City, IA?
- The Census Bureau counts 27,050 residents inside Mason City city limits (ACS 2020–2024). The 1 ZIP code that serve Mason City hold 28,703 residents in all.
- What is the median household income in Mason City, IA?
- $64,804 inside Mason City city limits, per the Census Bureau. 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.