Troy is a city in Oakland County in the U.S. state of Michigan. Its population was 80,980 at the 2010 census, making Troy the most-populated city in the county and the 13th most-populated municipality in the state.
As a northern suburb of Metro Detroit, Troy is about 6 miles (9.7 km) north of the city of Detroit. It was organized as Troy Township in 1827, and sections of the township incorporated much later into the cities of Birmingham, Clawson, and Royal Oak. The last portion of the township incorporated as the present-day city of Troy in 1955.
Troy has become a business and shopping destination in the region, with numerous office centers and the upscale Somerset Collection mall. In 2011, Troy was ranked the safest city in Michigan, as well as the 19th safest city in the nation. In 2008, Troy was ranked 22nd on a list of "Best Places to Live" in the United States by CNN Money, using criteria including housing, quality of education, economic strength, and recreational opportunities. In 2008, Troy was also ranked as the fourth most-affordable U.S. city with a median household income of approximately $79,000.
The earliest recorded purchases of land in what was known as Troy Township occurred in 1819. A couple of years later a settlement known as Troy Corners was established due to Johnson Niles buying 160 acres in the region.