Total Population in Knox County, TN
ACS 2024 5-Year Estimates
494,148
Rank #148/3,222 · #3 in TN
95th
Knox 494,148
TN 7,066,383 -93.0%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Knox County's total population of 494,148 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Knox County for total population.
Nearby Rankings
Full ranking →| #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 |
About Total Population
Knox County, Tennessee has a total population of 494,148, ranking #148 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Tennessee, it ranks #3 of 95. This places it in the 95th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.