Knox County, TN

County in Tennessee, South · ranked on 50 metrics

Rank among US counties

Knox County, TN is a county in Tennessee with a population of 515,309 (146th of 3,094). It ranks best for Bachelor’s Degree or Higher (% of Adults 25+) (250th of 3,094), Adults with Obesity (%) (tied 566th of 2,916), Median Household Income (890th of 3,093). It ranks lowest for Median Home Value ($2,000,001 Means $2M or More) (tied 2,563rd of 3,092).

Population
515.3K
146th highest of 3,094
Density
1,014.4
160th highest of 3,094
Growth since 2020
7.25%
448th highest of 3,094
Area
508
2,011th highest of 3,094
Region
South
Tennessee

Strengths and weak spotsPercentileWhere a place sits among all places, from 0 to 100. 100 is the best, 50 is the middle, 0 is the worst.More in the glossary →

Percentile on 21 metrics that rank at least half of all US counties, given whether higher or lower is better.

Totals that track populationCounts like “number of burglaries” that mostly reflect how many people live somewhere, so big places rank high or low regardless.More in the glossary →

Best at

Highest percentiles, given whether higher or lower is better

  1. Bachelor’s Degree or Higher (% of Adults 25+)41.0%
    Housing, Income and Commutes by County (Census) · 2024
    250th of 3,094
  2. Adults with Obesity (%)34.1%
    Health of Adults by County (CDC PLACES) · 2023
    tied 566th of 2,916
  3. Adults with No Leisure-Time Exercise (%)23.1%
    Health of Adults by County (CDC PLACES) · 2023
    tied 670th of 2,916
  4. Median Household Income$74,222
    Housing, Income and Commutes by County (Census) · 2024
    890th of 3,093
  5. Adults Sleeping Under 7 Hours (%)35.0%
    Health of Adults by County (CDC PLACES) · 2022
    tied 920th of 3,094
  6. Homes with Broadband Internet (%)89.5%
    Housing, Income and Commutes by County (Census) · 2024
    958th of 3,094
  7. Adults with a Yearly Checkup (%)76.9%
    Health of Adults by County (CDC PLACES) · 2023
    tied 897th of 2,916
  8. Heating Degree Days per Year3,702
    Climate by County (1991–2020 Averages)
    1,002nd of 3,050
  9. Average Commute (Minutes)22.2
    Housing, Income and Commutes by County (Census) · 2024
    1,110th of 3,094
  10. Adults Who Binge Drink (%)16.9%
    Health of Adults by County (CDC PLACES) · 2023
    tied 1,091st of 2,916

Worst at

Lowest percentiles, given whether higher or lower is better

  1. Adults with Depression (%)31.0%
    Health of Adults by County (CDC PLACES) · 2023
    tied 2,811th of 2,916
  2. Median Rent (Monthly; $3,501 Means $3,500 or More)$1,261
    Housing, Income and Commutes by County (Census) · 2024
    2,628th of 3,090
  3. Median Home Value ($2,000,001 Means $2M or More)$320,900
    Housing, Income and Commutes by County (Census) · 2024
    tied 2,563rd of 3,092
  4. Adults with Frequent Mental Distress (%)19.5%
    Health of Adults by County (CDC PLACES) · 2023
    tied 1,958th of 2,916
  5. Cooling Degree Days per Year1,424
    Climate by County (1991–2020 Averages)
    tied 1,938th of 3,050
  6. Adults with Diabetes (%)11.1%
    Health of Adults by County (CDC PLACES) · 2023
    tied 1,632nd of 2,916
  7. Adults 18–64 Without Health Insurance (%)10.2%
    Health of Adults by County (CDC PLACES) · 2023
    tied 1,373rd of 2,916
  8. Adults Who Smoke (%)15.7%
    Health of Adults by County (CDC PLACES) · 2023
    tied 1,282nd of 2,916
  9. Median Income$74,222
    Poorest Counties
    890th of 2,000
  10. Poverty Rate (%)12.2%
    Housing, Income and Commutes by County (Census) · 2024
    1,308th of 3,094

Profile by category

Average percentile per category, from the median line. Select a category to list its metrics.

Strongest category Economics (55), weakest Health (55). Select a category to list its metrics.

Notable facts

Where it ranks first or last among US counties

Never first or last on a widely ranked metric.

Where it is

Shaded by population; select a place to open it

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Similar places

Closest percentiles on 18 widely reported measures from 6 categories, leaving out size and totals

  1. Greenville County, SC89% similar
  2. Catawba County, NC86% similar
    Compared on 14 of 18
  3. Cleveland County, OK85% similar
    Compared on 14 of 18
  4. Spartanburg County, SC85% similar
    Compared on 17 of 18
  5. Lexington County, SC85% similar
    Compared on 16 of 18

Quick answers

What is the population of Knox County, TN?
Knox County, TN has a population of 515,309, 146th among 3,094 US counties.
What does Knox County, TN rank best at?
Among US counties, Knox County, TN ranks best for Bachelor’s Degree or Higher (% of Adults 25+) (250th of 3,094); Adults with Obesity (%) (tied 566th of 2,916); Median Household Income (890th of 3,093).
Where does Knox County, TN rank worst?
Knox County, TN ranks lowest for Median Home Value ($2,000,001 Means $2M or More) (tied 2,563rd of 3,092).
How many statistics does Rankodex have for Knox County, TN?
Rankodex ranks Knox County, TN on 50 statistics compared with other US counties, compiled from World Population Review and the sources it cites.

Every metric

50 metrics with a value for this place, in 13 topics