Knox County's estimated 2026 population is 35,547 with a growth rate of -0.29% 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 -7.42% since that time.
Data after 2023 is projected based on recent change
Overall: 39 years
Female: 41.2 years
Male: 37.5 years
There are 28,220 adults, (6,877 of whom are seniors) in Knox County.
Female: 17,756 (49.3%)
Male: 18,251 (50.7%)
The racial composition of Knox County includes 89.72% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 32,307 | 89.72% |
| Two or more races | 2,386 | 6.63% |
| Black or African American | 604 | 1.68% |
| Other race | 376 | 1.04% |
| Asian | 310 | 0.86% |
| Native American | 20 | 0.06% |
| Native Hawaiian or Pacific Islander | 4 | 0.01% |
Knox County's average per capita income is $45,774. Household income levels show a median of $61,237. The poverty rate stands at 13.69%.
Name | Median | Mean |
|---|---|---|
| Married Families | $92,898 | $113,489 |
| Families | $80,990 | $99,974 |
| Households | $61,237 | $81,626 |
| Non Families | $36,706 | $50,550 |
Average Income
Median Household Income
Poverty Rate