Mendota Heights, MN has a population of 11,231 and is the 3,600th largest city in the United States. The population density is 1,236 per sq mi which is 1898% higher than the Minnesota average and 1264% higher than the national average. The median age in Mendota Heights is 50 which is approximately 33% higher than the Minnesota average of 38. In Mendota Heights, 67% of the population over 15 years of age are married, 93% speak English and 3% speak Spanish. 75% of Mendota Heights residents were born in Minnesota, 19% were born out of state, 1% were born outside of the United States and 5% were foreign born.