St. Clair Shores, MI has a population of 59,916 and is the 647th largest city in the United States. The population density is 5,133 per sq mi which is 4989% higher than the Michigan average and 5566% higher than the national average. The median age in St. Clair Shores is 45 which is approximately 13% higher than the Michigan average of 40. In St. Clair Shores, 57% of the population over 15 years of age are married, 95% speak English and 1% speak Spanish. 86% of St. Clair Shores residents were born in Michigan, 9% were born out of state, 1% were born outside of the United States and 4% were foreign born.