Census place · GEOID 1950160 · Cerro Gordo County
Mason City, IA ZIP codes
1 ZIP/ZCTA intersecting this Census place in Cerro Gordo County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Mason City (GEOID 1950160). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 28,818 (1 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Mason City, IA
ZIP/ZCTA overlap with Mason City
Population overlap
Share of each ZIP/ZCTA’s population located within Mason City, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 5040194.3%
USPS primary city
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Mason City
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 50401 | Mason City | Cerro Gordo County | 28,818 | $63,807 |
USPS associates these ZIPs with Mason City
These codes list Mason City as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 50402 | Mason City | Cerro Gordo County | 481 | — |