The 2020 population shows Troy at 83,989. The city was incorporated in 1955 though it was a township since 1827. Troy is the most populated city in Oakland County. The cities center can be found in about N42° 34.000 W83° 09.000.
To enter Belle Isle State Park you will need either a Michigan State Park Passport or a day pass. Residents are $17.00 per year, non residence is $34.00 per year and the daily pass is $9.00 per day.