| Official Name: | Jefferson Township, Bremer County |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Bremer |
| Area Total Km2: | 63.09 |
| Area Land Km2: | 63.09 |
| Area Water Km2: | 0 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 24.36 |
| Area Land Sq Mi: | 24.36 |
| Area Water Sq Mi: | 0 |
| Population As Of: | 2010 |
| Population Total: | 3148 |
| Population Density Km2: | 49.9 |
| Population Density Sq Mi: | 129.3 |
| Timezone: | Central |
| Utc Offset: | -6 |
| Timezone Dst: | Central |
| Utc Offset Dst: | -5 |
| Elevation Footnotes: | [1] |
| Elevation M: | 297 |
| Elevation Ft: | 974 |
| Coordinates: | 42.6903°N -92.3589°W |
| Blank Name: | FIPS code |
| Blank Info: | 19-92205[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0468129 |
Jefferson Township is one of fourteen townships in Bremer County, Iowa, USA. At the 2010 census, its population was 3,148.[3]
Jefferson Township covers an area of 24.36sqmi and contains one incorporated settlement, Denver. According to the United States Geological Survey, it contains two cemeteries: Fairview and Jefferson.