Poplar Grove is a city located in Boone County Illinois. Poplar Grove has a 2020 population of 5,206. Poplar Grove is currently growing at a rate of 0.52% annually and its population has increased by 2.84% since the most recent census, which recorded a population of 5,062 in 2010. Poplar Grove reached it's highest population of 5,206 in 2021.
The average household income in Poplar Grove is $79,473 with a poverty rate of 11.19%. The median rental costs in recent years comes to $1,508 per month, and the median house value is $154,100. The median age in Poplar Grove is 32.5 years, 34.3 years for males, and 30.8 years for females.