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Core-Based Statistical Area (CBSA):
Mason City, IA
Mason City, IA is a Core-Based Statistical Area (CBSA) comprising counties including Worth County, Cerro Gordo County.
Counties in Mason City, IA
| Name | State | Metromicro | Fips State Code | Fips County Code | Region Type | Population |
|---|---|---|---|---|---|---|
| Cerro Gordo County | Iowa | Micropolitan | 19 | 033 | Central | 42,784 |
| Worth County | Iowa | Micropolitan | 19 | 195 | Outlying | 7,089 |
Cities in Mason City, IA
| Name | State | Population |
|---|---|---|
| Mason City | Iowa | 28,957 |
| Clear Lake | Iowa | 9,374 |
| Northwood | Iowa | 2,906 |
| Manly | Iowa | 1,813 |
| Rockwell | Iowa | 1,465 |
| Ventura | Iowa | 868 |
| Kensett | Iowa | 671 |
| Plymouth | Iowa | 628 |
| Thornton | Iowa | 549 |
| Joice | Iowa | 543 |
Zip codes in Mason City, IA
| Zipcode | Population | Density | Timezone | Latitude | Longitude | City | County | State |
|---|---|---|---|---|---|---|---|---|
| 50467 | 89 | 125.4 | America/Chicago | 43.21170 | -93.08654 | Rock Falls | Cerro Gordo County | Iowa |
| 50477 | 237 | 4.1 | America/Chicago | 42.98926 | -93.32708 | Swaledale | Cerro Gordo County | Iowa |
| 50433 | 282 | 2.2 | America/Chicago | 42.92325 | -93.05020 | Dougherty | Cerro Gordo County | Iowa |
| 50457 | 335 | 3.8 | America/Chicago | 42.91633 | -93.49360 | Meservey | Cerro Gordo County | Iowa |
| 50479 | 549 | 3.7 | America/Chicago | 42.93948 | -93.40988 | Thornton | Cerro Gordo County | Iowa |
| 50464 | 628 | 10.3 | America/Chicago | 43.25339 | -93.08079 | Plymouth | Cerro Gordo County | Iowa |
| 50482 | 868 | 11.6 | America/Chicago | 43.11573 | -93.47867 | Ventura | Cerro Gordo County | Iowa |
| 50469 | 1,465 | 6.4 | America/Chicago | 42.99874 | -93.19417 | Rockwell | Cerro Gordo County | Iowa |
| 50428 | 9,374 | 30.6 | America/Chicago | 43.13775 | -93.38988 | Clear Lake | Cerro Gordo County | Iowa |
| 50401 | 28,957 | 75 | America/Chicago | 43.15371 | -93.20016 | Mason City | Cerro Gordo County | Iowa |
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