Malden, MO has a population of 4,159 and is the 7,271st largest city in the United States. The population density is 553 per sq mi which is 540% higher than the Missouri average and 510% higher than the national average. The median age in Malden is 38 which is approximately equal to the Missouri average of 38. In Malden, 52% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 79% of Malden residents were born in Missouri, 17% were born out of state, 2% were born outside of the United States and 2% were foreign born.