| Unit Pref: | Imperial |
| Settlement Type: | Township |
| Official Name: | West Deerfield Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Lake |
| Leader Title: | Supervisor |
| Leader Name: | Alyson Miller Feiger |
| Established Title: | Established |
| Established Date: | 1888 |
| Area Total Km2: | 46.36 |
| Area Total Sq Mi: | 17.9 |
| Area Land Km2: | 46.10 |
| Area Land Sq Mi: | 17.8 |
| Area Water Km2: | 0.25 |
| Area Water Sq Mi: | 0.1 |
| Area Water Percent: | 1 |
| Population As Of: | 2010 |
| Population Total: | 31077 |
| Population Density Km2: | auto |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
West Deerfield Township is located in Lake County, Illinois. The population was 31,077 at the 2010 census.[1] West Deerfield Township was formed from former Deerfield Township (now Moraine Township) in 1888.
Walgreens has its corporate headquarters in Deerfield within West Deerfield Township.[2] [3] In 1987 Walgreens employed about 1,100 people at its headquarters, which was at the time in an unincorporated area on the west side of Deerfield.[4] [5] As of 2000 the Walgreens headquarters was still in an unincorporated area in West Deerfield Township.[6]