Data: Ann Arbor, Michigan, leaderTitle, Mayor; Ann Arbor, Michigan, populationDensity, 1580.7 (inhabitants per square kilometre); Ann Arbor, Michigan, areaTotal, 74.33 (square kilometres)

Sentence about the following data:
The city of Ann Arbor, Michigan, where the leader has the title of Mayor, has a population density of 1580.7 people for each of its 74.33 square kilometres.