The 7th State Senate District is located in Wayne county and includes: Belleville city, Brownstown Twp, Canton Twp, Flat Rock city, Gibraltar city, Grosse Ile Twp, Huron Twp, Northville city (part), Northville Twp, Plymouth city, Plymouth Twp, Rockwood city, Sumpter Twp, Trenton city, Van Buren Twp and Woodhaven city.