| Unit Pref: | Imperial |
| Settlement Type: | Township |
| Official Name: | Pekin Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Tazewell |
| Leader Title: | Supervisor |
| Established Title: | Established |
| Coordinates: | 40.5906°N -89.6308°W |
| Coordinates Footnotes: | [1] |
| Area Total Sq Mi: | 13.92 |
| Area Land Sq Mi: | 12.5 |
| Area Water Sq Mi: | 1.42 |
| Area Water Percent: | 10.20 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 2385.5 |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 436 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [2] |
| Population Est: | 28926 |
| Blank Name: | FIPS code |
| Blank Info: | 17-179-58460 |
Pekin Township is located in Tazewell County, Illinois. As of the 2010 census, its population was 29,807 and it contained 13,321 housing units.[3]
According to the 2010 census, the township has a total area of, of which (or 89.80%) is land and (or 10.20%) is water.[3]