| Official Name: | Peterson Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Clay |
| Area Total Km2: | 92.58 |
| Area Land Km2: | 92.58 |
| Area Water Km2: | 0 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 35.75 |
| Area Land Sq Mi: | 35.75 |
| Area Water Sq Mi: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2000 |
| Population Total: | 555 |
| Population Density Km2: | 6 |
| Population Density Sq Mi: | 15.5 |
| Elevation M: | 430 |
| Elevation Ft: | 1411 |
| Coordinates: | 42.9547°N -95.3292°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0468512 |
Peterson Township is a township in Clay County, Iowa, USA. As of the 2000 census, its population was 555.
Peterson Township was created in 1878.[1]
Peterson Township covers an area of 35.75sqmi and contains one incorporated settlement, Peterson. According to the USGS, it contains one cemetery, Oakland.