Lawrence, MA has a population of 79,337 and is the 437th largest city in the United States. The population density is 11,450 per sq mi which is 1718% higher than the Massachusetts average and 12537% higher than the national average. The median age in Lawrence is 31 which is approximately 21% lower than the Massachusetts average of 39. In Lawrence, 38% of the population over 15 years of age are married, 24% speak English and 71% speak Spanish. 39% of Lawrence residents were born in Massachusetts, 9% were born out of state, 13% were born outside of the United States and 39% were foreign born.