Property taxes are the single largest tax in Illinois, burdening residents far more than either income or sales taxes. ... what is not as well known is that property taxes are outpacing residents ability to pay for them. Over the past 50 years, whether measured in comparison to household income, economic growth, population or inflation, all classes of property taxes - residential, commercial, industrial, etc. - have placed an increasingly unaffordable burden on Illinoisans. Since 1963, Illinois property taxes have grown 2.5 times faster than inflation and 14 times faster than the state's population. ... This long history of growth...