On Friday, March 20, 2020, the United States Treasury Secretary announced that Tax Day will now be July 15, 2020 for filing and payment of taxes due to the COVID-19 pandemic.
We are still awaiting word from Illinois for state taxes.
UPDATE: As of 3/26, Illinois has extended the deadline for state tax returns to July 15, 2020. Quarterly tax payments are still due on April 15, 2020. Read the full article here.