Jasper, MN has a population of 601 and is the 18,428th largest city in the United States. The population density is 590 per sq mi which is 853% higher than the Minnesota average and 551% higher than the national average. The median age in Jasper is 50 which is approximately 33% higher than the Minnesota average of 38. In Jasper, 72% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 59% of Jasper residents were born in Minnesota, 38% were born out of state, 1% were born outside of the United States and 2% were foreign born.