ann_arbor,_michigan | leadertitle | mayor <tsp> ann_arbor,_michigan | populationdensity | 15807 (inhabitants per square kilometre) <tsp> ann_arbor,_michigan | leader | christopher_taylor_(politician) <tsp> ann_arbor,_michigan | areacode | 734 <tsp> ann_arbor,_michigan | areatotal | 7433 (square kilometres) <sep> ann arbor is a city in the us state of michigan and the seat of government of washtenaw county  the 2020 census recorded its population to be 123,851, making it the fifth-largest city in michigan it is the principal city of the ann arbor metropolitan statistical area, which encompasses all of washtenaw county ann arbor is also included in the greater detroit combined statistical area and the great lakes megalopolis, the most populated and largest megalopolis in north america 
the mayor is the leader title in ann arbor (michigan). which is led by the politician christopher taylor. with a total area of 74.33 square kilometres. ann arbor has the area code. 734 and the population density of 1580.7 as per square kilometre.no information