In the city the population was spread out with 26.5% under the age of 18, 8.6% from 18 to 24, 31.6% from 25 to 44, 24.0% from 45 to 64, and 9.3% who were 65 years of age or older.
Come Summer With Us In Port Sanilac! Let Port Sanilac be your Michigan vacation destination. In the heart of the East Ports, Port Sanilac is a great place to bask in the sun, swim, sail, boat, fish, dive, backpack, golf, or camp out along the lake; making it like no other place else in Michigan.
Sanilac has the state's 27th highest rate of uninsured residents at nearly 16 percent, and Mackinac County has the highest uninsured population â the state's only county above 20 percent. According to the most recent Census numbers, Michigan's overall uninsured rate is 13.6 percent.