Medicine Lake, MN has a population of 315 and is the 22,222nd largest city in the United States. The population density is 1,826 per sq mi which is 2436% higher than the Minnesota average and 1916% higher than the national average. The median age in Medicine Lake is 48 which is approximately 27% higher than the Minnesota average of 38. In Medicine Lake, 55% of the population over 15 years of age are married, 95% speak English and 3% speak Spanish. 68% of Medicine Lake residents were born in Minnesota, 30% were born out of state, 0% were born outside of the United States and 3% were foreign born.