Munson township is located in Henry County, Illinois. Munson township has a 2026 population of 345. Munson township is currently declining at a rate of -0.86% annually and its population has decreased by -3.63% since the most recent census, which recorded a population of 358 in 2020.
The median age in Munson township is 55 years: 57.3 years for males, and 54.8 years for females. For every 100 females there are 73.0 males.
Data after 2023 is projected based on recent change
Overall: 55 years
Female: 54.8 years
Male: 57.3 years
There are 298 adults, (142 of whom are seniors) in Munson township.
Female: 196 (57.8%)
Male: 143 (42.2%)
The racial composition of Munson township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 339 | 100% |