Ashby, MN has a population of 549 and is the 18,986th largest city in the United States. The population density is 996 per sq mi which is 1510% higher than the Minnesota average and 999% higher than the national average. The median age in Ashby is 36 which is approximately 4% lower than the Minnesota average of 38. In Ashby, 72% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 82% of Ashby residents were born in Minnesota, 17% were born out of state, 0% were born outside of the United States and 0% were foreign born.