The unemployment rate in St. Michael is 3.70 percent(U.S. avg. is 5.20%). Recent job growth is Positive. St. Michael jobs have Increased by 1.57 percent. Compared to the rest of the country, St. Michael's cost of living is 9.70% Higher than the U.S. average. population As of 2014, St. Michael's population is 17,196 people.