| Ash Grove Township | |
| Settlement Type: | Township |
| Image Map1: | Illinois in United States (US48).svg |
| Map Caption1: | Location of Illinois in the United States |
| Coordinates: | 39.3947°N -88.53°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Shelby |
| Established Title: | Organized |
| Established Date: | November 8, 1859 |
| Leader Title: | Mayor |
| Leader Title1: | Supervisor |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 42.38 |
| Area Land Sq Mi: | 42.11 |
| Area Water Sq Mi: | 0.26 |
| Elevation Ft: | 636 |
| Population As Of: | 2010 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 466 |
| Population Density Sq Mi: | 11.4 |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
| Postal Code Type: | ZIP code |
| Postal Code: | XXXXX |
| Area Code: | 217 |
| Blank Name: | FIPS code |
| Blank Info: | 17-173-02466 |
| Blank2 Name Sec2: | Wikimedia Commons |
Ash Grove Township is located in Shelby County, Illinois, USA. As of the 2010 census, its population was 479 and it contained 254 housing units.[2]
Ash Grove was initially settled by Euro-Americans by 1830. It was an early location of Mormon missionary activity in Illinois, with Mormons residing there by 1832. In late 1836 a mob attacked a Mormon missionary preaching at Ash Grove. Younger Green got an affidavit for the arrest of the mob, but the militia refused to cooperate in arresting the accused mobbers.[3]
According to the 2010 census, the township has a total area of, of which (or 99.36%) is land and (or 0.61%) is water.[2]