Rochester-Mason City-Austin Area Boundary Map
Rochester-Mason City-Austin Area Profile
| Region Name | Rochester-Mason City-Austin Area |
| Population (2021) | 381641 |
| Population Growth Rate (2017-2021) | 2.86% |
| Total Counties | 12 |
| Region Name | Rochester-Mason City-Austin Area |
| Population (2021) | 381641 |
| Population Growth Rate (2017-2021) | 2.86% |
| Total Counties | 12 |