| Ashley | |
| Settlement Type: | Township |
| Pushpin Map: | Illinois |
| Pushpin Map Caption: | Location of Ashley Township in Illinois |
| Coordinates: | 38.3317°N -89.2019°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Washington |
| Subdivision Type4: | Municipality |
| Established Title: | Settled |
| Established Date: | November 6, 1888 |
| Leader Title: | Mayor |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 24.44 |
| Area Land Sq Mi: | 24.42 |
| Area Water Sq Mi: | 0.02 |
| Elevation Ft: | 541 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | auto |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
| Postal Code Type: | Postal code |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 771 |
| Blank Name: | FIPS code |
| Blank Info: | 17-189-02544 |
Ashley Township is located in Washington County, Illinois. As of the 2010 census, its population was 816 and it contained 404 housing units.[2]
According to the 2010 census, the township has a total area of, of which (or 99.92%) is land and (or 0.08%) is water.[2]