Williamson County, TN

County in Tennessee, South · ranked on 39 metrics

Rank among US counties

Williamson County, TN is a county in Tennessee with a population of 275,636 (271st of 3,094). It ranks best for Bachelor’s Degree or Higher (% of Adults 25+) (14th of 3,094), Median Household Income (20th of 3,093), Homes with Broadband Internet (%) (21st of 3,094). It ranks lowest for Median Home Value (Capped at $2M) (3,055th of 3,092), Average Commute (Minutes) (2,296th of 3,094).

Population
275.6K
271st highest of 3,094
Density
472.8
300th highest of 3,094
Growth since 2020
10.4%
253rd highest of 3,094
Area
583
1,662nd highest of 3,094
Region
South
Tennessee

At a glance

Median household income
$135,594
20th highest of 3,093
Median home value
$751,900
38th highest of 3,092
Median rent
$1,969
53rd highest of 3,090
Unemployment
2.8%
2,806th highest of 3,094
Poverty rate
4.64%
3,068th highest of 3,094
College degree
62.7%
14th highest of 3,094
Adult obesity
28.7%
2,775th highest of 2,916
No health insurance
7.4%
2,629th highest of 2,916
Average commute
28 minutes
799th highest of 3,094
Home broadband
96.0%
21st highest of 3,094
Climate
58.7°F average
38°F in January, 78°F in July
2024 presidential vote
Republican +32.4
65.4% Republican, 33.0% Democratic

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

Best at

Highest percentiles, given whether higher or lower is better

  1. Bachelor’s Degree or Higher (% of Adults 25+)62.7%
    Housing, Income and Commutes by County (Census) · 2024
    14th of 3,094
  2. Median Household Income$135,594
    Housing, Income and Commutes by County (Census) · 2024
    20th of 3,093
  3. Homes with Broadband Internet (%)96.0%
    Housing, Income and Commutes by County (Census) · 2024
    21st of 3,094
  4. Poverty Rate (%)4.64%
    Housing, Income and Commutes by County (Census) · 2024
    27th of 3,094
  5. Median Income$135,594
    Poorest Counties
    20th of 2,000
  6. Adults with No Leisure-Time Exercise (%)17.3%
    Health of Adults by County (CDC PLACES) · 2023
    tied 67th of 2,916
  7. Adults in Fair or Poor Health (%)13.4%
    Health of Adults by County (CDC PLACES) · 2023
    tied 65th of 2,916
  8. Adults Who Smoke (%)10.1%
    Health of Adults by County (CDC PLACES) · 2023
    tied 87th of 2,916
  9. Adults with Obesity (%)28.7%
    Health of Adults by County (CDC PLACES) · 2023
    tied 137th of 2,916
  10. Unemployment Rate (%)2.8%
    Unemployment Rate by County (BLS) · 2025
    tied 224th of 3,094

Worst at

Lowest percentiles, given whether higher or lower is better

  1. Median Home Value (Capped at $2M)$751,900
    Housing, Income and Commutes by County (Census) · 2024
    3,055th of 3,092
  2. Median Rent (Monthly, Capped at $3,501)$1,969
    Housing, Income and Commutes by County (Census) · 2024
    3,038th of 3,090
  3. Average Commute (Minutes)27.9
    Housing, Income and Commutes by County (Census) · 2024
    2,296th of 3,094
  4. Adults with Depression (%)25.6%
    Health of Adults by County (CDC PLACES) · 2023
    tied 1,938th of 2,916
  5. Cooling Degree Days per Year1,478
    Climate by County (1991–2020 Averages)
    tied 2,007th of 3,050
  6. Adults with a Yearly Checkup (%)76.6%
    Health of Adults by County (CDC PLACES) · 2023
    tied 1,015th of 2,916
  7. Heating Degree Days per Year3,736
    Climate by County (1991–2020 Averages)
    tied 1,014th of 3,050
  8. Adults Who Binge Drink (%)16.3%
    Health of Adults by County (CDC PLACES) · 2023
    tied 862nd of 2,916
  9. Adults Sleeping Under 7 Hours (%)33.7%
    Health of Adults by County (CDC PLACES) · 2022
    tied 624th of 3,094
  10. Adults with Frequent Mental Distress (%)16.0%
    Health of Adults by County (CDC PLACES) · 2023
    tied 286th of 2,916

Profile by category

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

Strongest category Health (82), weakest Economics (69). 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 15 widely reported measures from 5 categories, leaving out size and totals

  1. Forsyth County, GA92% similar
    Compared on 13 of 15
  2. Goochland County, VA90% similar
    Compared on 13 of 15
  3. Queen Anne's County, MD90% similar
    Compared on 12 of 15
  4. Cherokee County, GA89% similar
    Compared on 12 of 15
  5. Oconee County, GA88% similar
    Compared on 13 of 15

Quick answers

What is the population of Williamson County, TN?
Williamson County, TN has a population of 275,636, 271st among 3,094 US counties.
What does Williamson County, TN rank best at?
Among US counties, Williamson County, TN ranks best for Bachelor’s Degree or Higher (% of Adults 25+) (14th of 3,094); Median Household Income (20th of 3,093); Homes with Broadband Internet (%) (21st of 3,094).
Where does Williamson County, TN rank worst?
Williamson County, TN ranks lowest for Median Home Value (Capped at $2M) (3,055th of 3,092); Average Commute (Minutes) (2,296th of 3,094).
How many statistics does Rankodex have for Williamson County, TN?
Rankodex ranks Williamson County, TN on 39 statistics compared with other US counties, compiled from World Population Review and the sources it cites.

Every metric

39 metrics with a value for this place, in 10 topics