Newfolden, MN has a population of 407 and is the 20,777th largest city in the United States. The population density is 401 per sq mi which is 548% higher than the Minnesota average and 342% higher than the national average. The median age in Newfolden is 30 which is approximately 21% lower than the Minnesota average of 38. In Newfolden, 53% of the population over 15 years of age are married, 97% speak English and 0% speak Spanish. 81% of Newfolden residents were born in Minnesota, 18% were born out of state, 0% were born outside of the United States and 0% were foreign born.