Editing Hamilton County, Tennessee (section)

===2010 census===
As of the census<ref>{{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=September 19, 2019|title=U.S. Census website}}</ref> of 2010, there were 336,463 people, 136,682 households, and 88,149 families residing in the county. The population density was 620.78 people per square mile. The racial makeup of the county was 74.75% [[White Americans|White]], 20.21% [[African Americans|Black or African American]], 0.35% [[Native Americans in the United States|Native American]], 1.86% [[Asian Americans|Asian]], 0.09% [[Pacific Islander]], and 1.46% from [[Multiracial Americans|two or more races]]. [[Hispanic and Latino Americans|Hispanics or Latinos]] of any race were 4.46% of the population.

Out of all of the households, 25.49% had children under the age of 18 living in them, 46.34% were married couples living together, 13.86% had a female householder with no husband present, 4.29% had a male householder with no wife present, and 35.51% were non-families. 29.35% of households were made up of individuals, and 10.34% had someone living alone who was 65 years of age or older. The average household size was 2.39, and the average family size was 2.95.

In the county, the population was spread out, with 21.58% under the age of 18, 63.73% ages 18 to 64, and 14.69% aged 65 and older. The media age was 39.3 years. 51.88% of the population were females, and 48.12% were males.

The median household income in the county was $46,544, and the median family income was $60,184. Males had a median income of $45,835 versus $34,342 for females. The [[per capita income]] for the county was $27,052. About 12.1% of families and 16.2% of the population were below the [[poverty line]], including 24.5% of those under the age of 18 and 8.6% of those age 65 and over.