Rank

1548of 3,144

Knox, Tennessee

Score 6.29 / 10· population 500,669

Knox County is in East Tennessee on Interstates 40 and 75, with Knoxville as its seat and Farragut as its other city. EPA monitors rated its air moderate or worse on 161 of 366 days in 2024, with fine particles the main pollutant on most days, and storms and flooding in February and March 2019 brought a federal disaster declaration. The median homeowner's property tax bill was $1,397 in 2024, less than half the national median.

Sources
  • Knox County is in East Tennessee; its county seat is Knoxville tnecd.com
  • Knox County's listed cities are Knoxville and Farragut, and its interstates include I-40 and I-75 tnecd.com
  • EPA annual AQI by county, 2024: Knox County had 366 days with an AQI, 160 Moderate and 1 Unhealthy for Sensitive Groups (161 moderate or worse) aqs.epa.gov
  • EPA annual AQI by county, 2024: PM2.5 was the main pollutant on 266 of Knox County's 366 days aqs.epa.gov
  • Knox County was designated in FEMA DR-4427-TN (severe storms, flooding, landslides, and mudslides; incident period Feb 19 to Mar 30, 2019; declared Apr 17, 2019) fema.gov
  • ACS 2024 1-year: median real estate taxes paid in Knox County were $1,397 api.censusreporter.org
  • ACS 2024 1-year: US median real estate taxes paid were $3,211 api.censusreporter.org

v4 — beta, 30 October 2026, sourced values

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Eleven factors

Government behavior

  1. Fraser Institute state ranking (state)8.3
  2. 2A (state)10.0
  3. GOP + LP vote for President5.9
  4. Sales tax1.6
  5. Property tax7.8

Environment

  1. Air quality5.1
  2. Floods / hurricanes0.7

Private behavior

  1. Homicide rate6.4
  2. Life expectancy4.3
  3. Government employees9.8
  4. Single-parent households4.2

Neighbors