Knox County, TN Population

Overview

475,286

Total Population

37.5

Median age

51.13%

Female population %

95.6:100

Gender ratio (M:F)

20-24 years

Largest age group

49.8

Total dependency ratio

White

Largest racial group

21,823

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Knox County's population is young compared to the rest of the country:

The median age in Knox County is 37.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Knox County's population under 18 was 21.14%, compared to the 22.51% nationwide.
Knox County's elderly or the senior population (over 65 age) was 15.76% as compared to 16.04% nationwide.
Of the total population in Knox County, 17.46% were under the age of 15, 22.45% aged 15 to 29, 44.32% aged 30 to 64, 14.04% aged 65 to 84, and 1.73% were 85 years of age and older.

There are 10,732 more females than males in Knox County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.13% females and 48.87% males in Knox County, TN.
The Knox County, TN gender ratio is 95.6:100 i.e. 95.6 men to 100 women (0.956).
For male population, the largest age group is 20-24 years with a population of 20,805.
For the female population, the largest age group is 20-24 years with a population of 20,623.

Knox County's population has become increasingly diverse:

Racial distribution of Knox County population: 83.91% are White, 8.45% are Black or African American, 0.15% are American Indian and Alaska Native, 2.27% are Asian, 0.05% are Native Hawaiian and other Pacific Islander, 1.32% are some other race and 3.83% are multiracial.
Knox County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 21,823 is Hispanic or Latino (of any race), and 453,463 (95.41% of the total population) is Non-Hispanic.
The largest racial group in Knox County is White with a population of 398,831 (83.91% of the total population).

Knox County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 494,574 in the year 2022
From 2000 to 2010, Knox County's population increased by 49,987 (13.05%), as compared to the national growth of 9.63%.
From 2010 to 2020, Knox County's population increased by 47,548 (10.98%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Knox County's population was lowest in year 2000 at 382,965.