Sunbury township is located in Livingston County, Illinois. Sunbury township has a 2026 population of 218. Sunbury township is currently declining at a rate of 0% annually and its population has decreased by -1.8% since the most recent census, which recorded a population of 222 in 2020.
The median age in Sunbury township is 60.8 years: 63.5 years for males, and 59.5 years for females. For every 100 females there are 106.0 males.
Data after 2023 is projected based on recent change
Overall: 60.8 years
Female: 59.5 years
Male: 63.5 years
There are 159 adults, (54 of whom are seniors) in Sunbury township.
Female: 83 (48.5%)
Male: 88 (51.5%)
The racial composition of Sunbury township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 171 | 100% |