Bear Grove township is located in Fayette County, Illinois. Bear Grove township has a 2026 population of 523. Bear Grove township is currently declining at a rate of -0.19% annually and its population has decreased by -2.06% since the most recent census, which recorded a population of 534 in 2020.
The median age in Bear Grove township is 43.5 years: 43.2 years for males, and 48.6 years for females. For every 100 females there are 155.1 males.