Knox County Flag

Knox County

State:
Tennessee
County Seat:
Knoxville

Knox County's estimated 2025 population is 511,247 with a growth rate of 1.05% in the past year according to the most recent United States census data. Knox County is the 3rd largest county in Tennessee. The 2010 population was 432,952 and has seen a growth of 18.08% since that time.

511,247
Total Population
1,006
Population Density (mi²)
3
Population Rank (State)
5.3K 1.05%
Annual Population Growth

Knox County Population

Knox County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Knox County includes 81.22% White, 8.15% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White395,86781.22%
Black or African American39,7108.15%
Two or more races30,2776.21%
Asian10,8622.23%
Other race9,5131.95%
Native American7950.16%
Native Hawaiian or Pacific Islander3770.08%

Knox County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Knox County's average per capita income is $49,051. Household income levels show a median of $71,662. The poverty rate stands at 12.25%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$113,002$146,295
Families$94,921$126,363
Households$71,662$101,286
Non Families$41,779$59,406

$49,051

Average Income

$71,662

Median Household Income

12.25%

Poverty Rate