| Official Name: | Elgin Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Kane County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Kane County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Kane |
| Area Total Sq Mi: | 32.58 |
| Area Land Sq Mi: | 31.94 |
| Area Water Sq Mi: | 0.64 |
| Area Water Percent: | 1.96 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 3159.6 |
| Elevation Footnotes: | [1] |
| Elevation M: | 250 |
| Elevation Ft: | 820 |
| Coordinates: | 42.0258°N -88.3206°W |
| Blank Name: | FIPS code |
| Blank Info: | 17-089-23087 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0428948 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [2] |
| Population Est: | 104368 |
| Unit Pref: | Imperial |
Elgin Township is located in Kane County, Illinois. It is divided by the Fox River. As of the 2010 census, its population was 100,922 and it contained 35,690 housing units.[3]
According to the 2010 census, the township has a total area of, of which (or 98.04%) is land and (or 1.96%) is water.[3]
Most of the township is incorporated in the City of Elgin.
Township offices are located at 729 S. McLean Blvd Suite 200, Elgin, IL.