The human appendix averages 9 cm in length but can range from 2 to 20 cm. The diameter of the appendix is usually between 7 and 8 mm. The longest appendix ever removed was 26 cm long. The appendix is usually located in the lower right quadrant of the abdomen, near the right hip bone. The base of the appendix is located 2 cm beneath the ileocecal valve that separates the large intestine from the small intestine. Its position within the abdomen corresponds to a point on the surface known as McBurney's point.

Answer this question: where is the appendix located at in the human body? Let's give stream of consciousness first:
The relevant information is: The appendix is usually located in the lower right quadrant of the abdomen, near the right hip bone.
So, the final answer is the lower right quadrant of the abdomen , near the right hip bone.