Knox County, IN Population

Overview

36,362

Total Population

39.2

Median age

48.99%

Female population %

104.1:100

Gender ratio (M:F)

15-19 years

Largest age group

54.5

Total dependency ratio

White

Largest racial group

873

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Knox County is 39.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Knox County's population under 18 was 21.68%, compared to the 22.51% nationwide.
Knox County's elderly or the senior population (over 65 age) was 17.61% as compared to 16.04% nationwide.
Of the total population in Knox County, 17.68% were under the age of 15, 21.31% aged 15 to 29, 43.40% aged 30 to 64, 15.66% aged 65 to 84, and 1.95% were 85 years of age and older.

There are 738 less females than males in Knox County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.99% females and 51.01% males in Knox County, IN.
The Knox County, IN gender ratio is 104.1:100 i.e. 104.1 men to 100 women (1.041).
For male population, the largest age group is 15-19 years with a population of 1,636.
For the female population, the largest age group is 55-59 years with a population of 1,287.

Knox County's population has become increasingly diverse:

Racial distribution of Knox County population: 92.33% are White, 2.54% are Black or African American, 0.03% are American Indian and Alaska Native, 0.93% are Asian, 0.08% are Native Hawaiian and other Pacific Islander, 0.83% are some other race and 3.28% are multiracial.
Knox County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 873 is Hispanic or Latino (of any race), and 35,489 (97.60% of the total population) is Non-Hispanic.
The largest racial group in Knox County is White with a population of 33,572 (92.33% of the total population).

Knox County's population has already reached its peak and is showing a trend of decline:

The peak population was 39,200 in the year 2000
From 2000 to 2010, Knox County's population decreased by 806 (2.06%), as compared to the national growth of 9.63%.
From 2010 to 2020, Knox County's population decreased by 2,146 (5.59%), 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 2022 at 35,789.