In 2017, Ann Arbor, MI had a population of 119k people with a median age of 27.5 and a median household income of $61,247. Between 2016 and 2017 the population of Ann Arbor, MI grew from 118,087 to 119,303, a 1.03% increase and its median household income grew from $57,697 to $61,247, a 6.15% increase.