| Official Name: | Colfax Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Newton |
| Government Type: | Indiana township |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.53 |
| Area Land Sq Mi: | 36.53 |
| Area Water Sq Mi: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2020 |
| Population Total: | 155 |
| Population Density Sq Mi: | auto |
| Elevation Footnotes: | [1] |
| Elevation M: | 206 |
| Elevation Ft: | 676 |
| Coordinates: | 41.0358°N -87.3431°W |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 46349, 47943, 47963 |
| Area Code: | 219 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453237 |
Colfax Township is one of ten townships in Newton County, Indiana, United States. As of the 2020 census, its population was 155 and it contained 70 housing units.[2]
Colfax Township was established in 1871. It was named for Vice President Schuyler Colfax.[3]
According to the 2010 census, the township has a total area of, all land.[4]