Bonfield is a city located in Kankakee County Illinois. With a 2020 population of 354, it is the 970th largest city in Illinois and the 14717th largest city in the United States . Bonfield is currently declining at a rate of -0.28% annually and its population has decreased by -7.33% since the most recent census, which recorded a population of 382 in 2010. Bonfield reached it's highest population of in . Spanning over 0 miles, Bonfield has a population density of 720 people per square mile.
The average household income in Bonfield is $78,671 with a poverty rate of 3.20%. The median rental costs in recent years comes to $685 per month, and the median house value is $162,100. The median age in Bonfield is 42.3 years, 39.5 years for males, and 42.8 years for females.