Although swollen lymph nodes behind the ear are more common due to the location of lymph nodes in the neck, some people will ...

including the neck on either side of the front, sides, and back, behind your ears, on the back of your head, or under your jaw and chin. Swollen lymph nodes are also called lymphadenopathy.

When allergies cause swollen lymph nodes, you'll typically notice a pea-sized (1-2 centimeter) tender lump under your skin, usually in your neck, behind your ears, or under your jaw or chin.

For example, lymph nodes behind or under the ears ... the neck and around the face, along the groin, and under the arms. When lymph nodes swell because of an infection or injury, the swollen ...