| Carrigan Township | |
| Settlement Type: | Township |
| Image Map1: | Illinois in United States (US48).svg |
| Map Caption1: | Location of Illinois in the United States |
| Coordinates: | 38.6833°N -94°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Marion |
| Established Title: | Settled |
| Established Date: | November 4, 1873 |
| Leader Title: | Mayor |
| Leader Title1: | Supervisor |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 35.14 |
| Area Land Sq Mi: | 35.14 |
| Area Water Sq Mi: | 0 |
| Elevation Ft: | 531 |
| Population As Of: | 2010 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 372 |
| Population Density Sq Mi: | 10.8 |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
| Blank Name: | FIPS code |
| Blank Info: | 17-121-11436 |
| Blank2 Name Sec2: | Wikimedia Commons |
Carrigan Township is located in Marion County, Illinois. As of the 2010 census, its population was 380 and it contained 178 housing units.[2]
Carrigan Township (T3N R1E) is centered at 38°41'N 89°5'W (89.689, -89.082). It is transversed north–south by U.S. Route 51 and east–west by the North Fork of the Kaskaskia River, on which the Carlyle Reservoir (El. 136 m) is located in the west part of the township. According to the 2010 census, the township has a total area of, all land.[2]