4 in 10 joint filers in River Forest would see income tax hike if voters approve Pritzker’s ‘fair tax’ By Bryce Hill, Chena Underhill 10/16/2019 Voters statewide will decide whether 1,012 River Forest taxpayers should send $23 million in additional income taxes to Springfield. TAGS: fair tax, graduated income tax, income tax, JB Pritzker, progressive income tax, River Forest, taxes