| Official Name: | Rochester Township, Cedar County |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Cedar |
| Area Total Km2: | 70.02 |
| Area Land Km2: | 68.35 |
| Area Water Km2: | 1.68 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 27.03 |
| Area Land Sq Mi: | 26.39 |
| Area Water Sq Mi: | 0.65 |
| Population As Of: | 2000 |
| Population Total: | 603 |
| Population Density Km2: | 8.8 |
| Population Density Sq Mi: | 22.8 |
| Elevation Footnotes: | [1] |
| Elevation M: | 212 |
| Elevation Ft: | 696 |
| Coordinates: | 41.6656°N -91.1275°W |
| Blank Name: | FIPS code |
| Blank Info: | 19-93654[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0468626 |
Rochester Township is one of seventeen townships in Cedar County, Iowa, United States. As of the 2000 census, its population was 603.
Rochester Township is named after Rochester, New York.[3]
There are 3 cemeteries in the township, Hebron, Rochester and Healy. Township Trustees manage both Rochester and Hebron cemeteries while Healy is privately maintained
The town of Rochester used to be the county seat of Cedar County. The county seat was moved to the geographical center of Cedar County, which became Tipton. The reason they moved it to Tipton, is because they were afraid of losing important documents in the flood.
Rochester Township covers an area of 27.03sqmi and contains no incorporated settlements. The unincorporated community of Rochester, a census-designated place, is located along the Cedar River north of the center of the township. According to the USGS, the township contains two cemeteries: Healey and Hebron.