| Unit Pref: | Imperial |
| Settlement Type: | Township |
| Official Name: | Randolph Township |
| Image Map1: | Map of Illinois highlighting McLean County.svg |
| Mapsize1: | 150px |
| Map Caption1: | McLean County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | McLean |
| Leader Title: | Supervisor |
| Established Title: | Established |
| Established Date: | November 3, 1857 |
| Area Total Sq Mi: | 49.62 |
| Area Land Sq Mi: | 49.48 |
| Area Water Sq Mi: | 0.14 |
| Area Water Percent: | 0.28 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 88.4 |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 4413 |
| Blank Name: | FIPS code |
| Blank Info: | 17-113-62692 |
Randolph Township is located in McLean County, Illinois. As of the 2010 census, its population was 4,375 and it contained 1,636 housing units.[2]
Randolph Township was named for Gardner Randolph, who settled in the area in January 1822, near a thick grove of trees later referred to as Randolph's Grove.[3] The village of Heyworth is part of the township.
Randolph Township was formed in 1858 and sent its first supervisor to Bloomington, the county seat, on May 17, 1858. It is Township 22 North, Range 2 East and part of Township 21 North, Range 2 East of the Third Principal Meridian. It has part of the north tier of sections in Township 2, which were taken by McLean County between 1844 and 1849, instead of giving them back to DeWitt County, when it was formed. It is 6x8 instead of 6x6. It is bounded by Downs Township on the east; Bloomington Township on the north; Funk's Grove Township on the west; and Wapella Township, in DeWitt County, on the south.
In 2024, Randolph Township officials are:
According to the 2010 census, the township has a total area of, of which (or 99.72%) is land and (or 0.28%) is water.[2]