Freeburg is a city located in St. Clair County Illinois. Freeburg has a 2020 population of 4,819. Freeburg is currently declining at a rate of -0.74% annually and its population has decreased by -5.86% since the most recent census, which recorded a population of 5,119 in 2010. Freeburg reached it's highest population of 5,126 in 2011.
The average household income in Freeburg is $93,519 with a poverty rate of 10.47%. The median rental costs in recent years comes to $903 per month, and the median house value is $179,100. The median age in Freeburg is 47.1 years, 45 years for males, and 49.1 years for females.