Knox County Flag

Knox County

State:
Indiana
County Seat:
Vincennes

Knox County's estimated 2025 population is 36,458 with a growth rate of 0.53% in the past year according to the most recent United States census data. Knox County is the 44th largest county in Indiana. The 2010 population was 38,394 and has seen a growth of -5.04% since that time.

36,458
Total Population
71
Population Density (mi²)
44
Population Rank (State)
194 0.53%
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 90.5% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White32,67890.5%
Two or more races2,0825.77%
Black or African American5711.58%
Other race3761.04%
Asian3430.95%
Native American580.16%

Knox County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Knox County's average per capita income is $42,280. Household income levels show a median of $58,863. The poverty rate stands at 13.39%.

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$93,739$111,383
Families$79,022$96,659
Households$58,863$80,327
Non Families$37,316$51,785

$42,280

Average Income

$58,863

Median Household Income

13.39%

Poverty Rate