(Salem, OR) -- The deadline to file income taxes is April 18th, and the Oregon Department of Revenue says it expects several hundred thousand more returns to be filed. More than one-point-one million Oregonians have filed their state income tax return and more than 928-thousand filers have received a refund. The Department of Revenue has a "Where's My Refund" tool on its website. A total of two-point-two million state tax returns are expected to be filed.