West Jersey township is located in Stark County, Illinois. West Jersey township has a 2026 population of 236. West Jersey township is currently declining at a rate of 0% annually and its population has decreased by -2.48% since the most recent census, which recorded a population of 242 in 2020.
The median age in West Jersey township is 77.7 years: 78.4 years for males, and 77.3 years for females. For every 100 females there are 62.0 males.
Data after 2023 is projected based on recent change
Overall: 77.7 years
Female: 77.3 years
Male: 78.4 years
There are 81 adults, (46 of whom are seniors) in West Jersey township.
Female: 50 (61.7%)
Male: 31 (38.3%)
The racial composition of West Jersey township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 81 | 100% |