
The City of Ann Arbor is located in Washtenaw County and has a population of 114,024. Its main economic activities include education, bio-technology, and other technological innovations (high-tech). The University of Michigan is located in Ann Arbor, where property taxes and real estate values are well above state and national averages. In 2004, Ann Arbor's residents voted to implement a green zone around the city to prevent "sprawling" development.