| Unit Pref: | Imperial |
| Settlement Type: | Township |
| Official Name: | Hallock Township |
| Image Map1: | Map of Illinois highlighting Peoria County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Peoria County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Peoria |
| Leader Title: | Supervisor |
| Leader Name: | Kevin Lee Peterson |
| Established Title: | Established |
| Established Date: | November 6, 1849 |
| Area Total Sq Mi: | 36.19 |
| Area Land Sq Mi: | 36.15 |
| Area Water Sq Mi: | 0.03 |
| Area Water Percent: | 0.08 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 44.3 |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 1594 |
| Blank Name: | FIPS code |
| Blank Info: | 17-143-32304 |
Hallock Township is located in Peoria County, Illinois, United States. As of the 2010 census, its population was 1,600 and it contained 619 housing units. The current supervisor Kevin Peterson has served in this position since 1994.[2]
According to the 2010 census, the township has a total area of, of which (or 99.89%) is land and (or 0.08%) is water.[2]