Magnolia, MN has a population of 237 and is the 23,679th largest city in the United States. The population density is 297 per sq mi which is 380% higher than the Minnesota average and 228% higher than the national average. The median age in Magnolia is 43 which is approximately 13% higher than the Minnesota average of 38. In Magnolia, 59% of the population over 15 years of age are married, 72% speak English and 14% speak Spanish. 43% of Magnolia residents were born in Minnesota, 43% were born out of state, 0% were born outside of the United States and 15% were foreign born.