Knox County's estimated 2026 population is 35,562 with a growth rate of -0.43% in the past year according to the most recent United States census data. Knox County is the 45th largest county in Indiana. The 2010 population was 38,394 and has seen a growth of -7.38% since that time.
Data after 2023 is projected based on recent change
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.
White (90.5%)
Two or more races (5.77%)
Black or African American (1.58%)
Other race (1.04%)
Asian (0.95%)
Native American (0.16%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 32,678 | 90.5% |
| Two or more races | 2,082 | 5.77% |
| Black or African American | 571 | 1.58% |
| Other race | 376 | 1.04% |
| Asian | 343 | 0.95% |
| Native American | 58 | 0.16% |
Married
Widowed
Divorced
Separated
Never Married
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%.
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 |
Average Income
Median Household Income
Poverty Rate
