Lutz, FL has a population of 21,143 and is the 2,058th largest city in the United States. The population density is 858 per sq mi which is 192% higher than the Florida average and 847% higher than the national average. The median age in Lutz is 42 which is approximately equal to the Florida average of 42. In Lutz, 62% of the population over 15 years of age are married, 86% speak English and 8% speak Spanish. 47% of Lutz residents were born in Florida, 43% were born out of state, 2% were born outside of the United States and 8% were foreign born.