Lively Grove township is located in Washington County, Illinois. Lively Grove township has a 2026 population of 567. Lively Grove township is currently declining at a rate of -0.18% annually and its population has decreased by -0.53% since the most recent census, which recorded a population of 570 in 2020.
The median age in Lively Grove township is 61.5 years: 69.1 years for males, and 59.3 years for females. For every 100 females there are 119.1 males.
Data after 2023 is projected based on recent change
Overall: 61.5 years
Female: 59.3 years
Male: 69.1 years
There are 529 adults, (243 of whom are seniors) in Lively Grove township.
Female: 256 (45.6%)
Male: 305 (54.4%)
The racial composition of Lively Grove township includes 99.29% White, and smaller percentages for Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 557 | 99.29% |
| Two or more races | 4 | 0.71% |