Maplewood, MN has a population of 39,678 and is the 1,043rd largest city in the United States. The population density is 2,339 per sq mi which is 3680% higher than the Minnesota average and 2482% higher than the national average. The median age in Maplewood is 39 which is approximately 3% higher than the Minnesota average of 38. In Maplewood, 56% of the population over 15 years of age are married, 80% speak English and 3% speak Spanish. 67% of Maplewood residents were born in Minnesota, 21% were born out of state, 1% were born outside of the United States and 12% were foreign born.