Total Population in Knox County, TN
ACS 2024 5-Year Estimates
How Knox County Compares
National Distribution
Where Knox County falls among all 3,222 U.S. counties for total population.
■ Knox County: 494,148
Ranking Context
| Rank | County | Value |
|---|---|---|
| #145 | Lake County, IN | 500,379 |
| #146 | Washoe County, NV | 497,200 |
| #147 | Richmond County, NY | 494,956 |
| #148 | Knox County, TN | 494,148 |
| #149 | Prince William County, VA | 488,880 |
| #150 | Sonoma County, CA | 485,040 |
| #151 | Seminole County, FL | 481,470 |
Total Population in Knox County, Tennessee
Knox County, Tennessee has a total population of 494,148, which ranks #148 of 3,222 out of 3,222 counties nationwide. This is 99.9% below the national value of 330M.
Within Tennessee, Knox County ranks #3 of 95 out of 95 counties. This places it in the 95th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.