According to the 2010 United States Census, the population of Nashville, Tennessee was about 626,681 people split into 254,651 households and 141,469 families. The population density of Nashville was about 1,204.2 people per square mile.
Of the households, 27.9% had children under the age of 18 living within them, 36.2% were individuals living alone, and 8.2% had someone living alone who was 65 years of age or older. 37.2% had married couples living together, 14.1% had a single female head-of-household, and 4.2% had a single male head-of-household. The average household was 2.38 people and the average family size was 3.16 people.
The age distribution of Nashville in 2010 was as follows: 22% of residents were under 18 years old, 10% were between 18 and 24, 33% were between 25 and 44, 24% were between 45 and 64, and 11% were 65 years of age or older. The median age was 34.2 years.
The racial makeup of Nashville in 2010 was as follows: 60.5% white residents, 28.4% black residents, 10% Hispanic or Latino residents, 3.1% Asian residents, 0.3% American Indian and Alaska Native residents, and 0.1% Native Hawaiian and Other Pacific Islander residents. 2.5% of the population identified as two or more races.