Red Lake Falls, MN has a population of 1,333 and is the 13,403rd largest city in the United States. The population density is 633 per sq mi which is 923% higher than the Minnesota average and 599% higher than the national average. The median age in Red Lake Falls is 43 which is approximately 15% higher than the Minnesota average of 38. In Red Lake Falls, 65% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 86% of Red Lake Falls residents were born in Minnesota, 14% were born out of state, 0% were born outside of the United States and 0% were foreign born.