| Official Name: | Rock Grove Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Floyd |
| Area Total Km2: | 103.39 |
| Area Land Km2: | 103.32 |
| Area Water Km2: | 0.07 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 39.92 |
| Area Land Sq Mi: | 39.89 |
| Area Water Sq Mi: | 0.03 |
| Area Water Percent: | 0.07 |
| Population As Of: | 2000 |
| Population Total: | 1849 |
| Population Density Km2: | 17.9 |
| Population Density Sq Mi: | 46.4 |
| Elevation M: | 343 |
| Elevation Ft: | 1125 |
| Coordinates: | 43.1664°N -92.97°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 50458, 50471 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0468635 |
Rock Grove Township is one of twelve townships in Floyd County, Iowa, USA. At the 2000 census, its population was 1,849.[1]
According to the United States Census Bureau, Rock Grove Township covers an area of of which