An image reading apparatus includes an image pickup element that emits an electrical signal based on received light, a document table including a reading window, a document cover, a base plate including a flat portion that opposes the reading window, the base plate being displaceable in a direction of separating from the document cover and a direction of approaching the document cover, a spring portion that is integrally formed with the base plate, and a document presser that presses the document placed on the document table toward the reading window and includes an elastic member that is elastically deformable and is adhered to a reading window side of the base plate. The document cover includes a first pressing portion that conveys force due to a weight of the document cover acting to press the spring portion toward the reading window when the document cover covers the reading window.