Erskine, MN has a population of 467 and is the 19,959th largest city in the United States. The population density is 634 per sq mi which is 925% higher than the Minnesota average and 600% higher than the national average. The median age in Erskine is 49 which is approximately 30% higher than the Minnesota average of 38. In Erskine, 61% of the population over 15 years of age are married, 85% speak English and 4% speak Spanish. 61% of Erskine residents were born in Minnesota, 35% were born out of state, 0% were born outside of the United States and 4% were foreign born.