Williamson County, Tennessee Income Statistics
Williamson County Wealth Score
The wealth index reflects the overall economic prosperity and financial well-being of a county's residents based on income levels, employment rates, and income inequality metrics.
-
A+
Williamson County Top gradeWealthiest county in Tennessee
Source: Map AI Methodology
Income Statistics Overview
| Metric | Williamson County | Tennessee Avg | US Average |
|---|---|---|---|
| Median Household Income | $135,891 | $69,901 | $80,455 |
| Median Personal Income | $91,454 | $53,263 | $60,758 |
| Average Yearly Income Growth | 3.9% | 5.2% | 4.8% |
| Six-Figure Earners | 26.6% | 10.4% | 13.9% |
| $200k+ Households | 30.9% | 9.0% | 13.2% |
The median household income in Williamson County is about 94% higher than in Tennessee. Income has been growing slower in Williamson County (3.9%/yr) than in Tennessee (5.2%/yr).
About 27% of adults in Williamson County earn six figures ($100,000 or more) a year, higher than the Tennessee average of 10%.
Median Household Income 2009–2024 Trend
Median Household Income Over Time
Median household income in Williamson County, Tennessee grew by 53.3% from 2009 to 2024, reaching $135,891 in 2024. That's an average of about 3.9% per year.
Income Inequality and the Gender Pay Gap in Williamson County
| Metric | Williamson County | Tennessee Avg | US Average |
|---|---|---|---|
| Gini Coefficient | 0.534 | 0.542 | 0.552 |
| Male Median Income | $109,271 | $61,993 | $69,667 |
| Female Median Income | $71,553 | $50,108 | $56,850 |
| Gender Pay Gap | 34.5% | 19.2% | 18.4% |
The Gini coefficient measures how evenly income is shared between richer and poorer households, from 0 (everyone earns the same) to 1 (one household earns nearly everything). The lower the number, the more equally income is distributed. In Williamson County, it is 0.534, lower than Tennessee's 0.542, so income is more evenly distributed here than there, and lower than the US's 0.552, so income is more evenly distributed here than there.
Men's income is about 53% more than women's income in Williamson County, Tennessee. Over a 35-year career, a 53% wage gap accumulates to roughly $1,320,130 in unearned income for female workers in the area.
Income by Sex Over Time
Since 2009, the income gap between men and women in Williamson County, Tennessee has narrowed from about 39% to 35% in 2024. In dollar terms, the gap has widened by $7,704 since 2009.
Employment
| Metric | Williamson County | Tennessee Avg | US Average |
|---|---|---|---|
| Unemployment Rate | 2.4% | 4.6% | 5.2% |
| Working from Home | 28.3% | 12.9% | 15.0% |
| Commute time (minutes) | 26 | 22 | 22 |
Approximately 3,262 people are unemployed in Williamson County, Tennessee.
The average commute time in Williamson County is 26 minutes, longer than the 22 minutes in Tennessee.
Unemployment Rate Over Time
Since 2011, the unemployment rate in Williamson County, Tennessee has fallen from 5.1% to 2.4% in 2024. Over that period the rate fell as low as 2.0% in 2023.
Williamson County, TN Wealth Compared With Nearby Counties
Williamson County, TN is the 3rd largest of the 6 counties compared here, 260,351 residents against a local median of 107,806. The measure that sets Williamson County, TN apart most is median household income: $135,891, 74% above the local median of $78,256. That is the better end of the local range on this measure.
Unemployment tells the same story from another angle: 2.4% against a local median of 3.9%, 38% below it. The picture is mixed rather than uniform: median household income runs ahead of the neighbourhood while income growth runs behind it, so Williamson County, TN is trading one against the other rather than simply out-performing what surrounds it. The counties themselves sit within $18,318 of each other on median household income, a tighter band than the gap between any of them and Williamson County, TN, which makes it a genuine outlier here rather than one end of a wide local spread. Williamson County, TN has the highest median household income of the 6 areas compared here.
| Area | Population | Median household income | Income growthAverage yearly change in median household income since 2016. Each year is measured in its own dollars, so this is growth before inflation. | Unemployment | Income inequalityGini coefficient: 0 would mean every household earns the same, 1 that a single household earns everything. The lower the number, the more equally income is shared here. |
|---|---|---|---|---|---|
| Williamson County, TN | 260,351 | $135,891 #1/6 | 3.9%/yr #6/6 | 2.4% #2/6 | 0.534 #6/6 |
| Davidson County, TN | 713,477 | $78,256 | 5.6%/yr | 4.5% | 0.519 |
| Maury County, TN | 107,806 | $76,039 | 5.5%/yr | 2.4% | 0.520 |
| Cheatham County, TN | 41,825 | $89,427 | 6.6%/yr | 4.3% | 0.498 |
| Marshall County, TN | 36,049 | $71,109 | 6.0%/yr | 3.9% | 0.521 |
| Rutherford County, TN | 357,384 | $85,930 | 4.9%/yr | 3.6% | 0.520 |
Conclusion
Considering all these factors, Williamson County, Tennessee has an overall wealth index grade of A+, making it far better than Tennessee, and far better than the country as a whole.
Frequently Asked Questions
Common questions about income and wealth in Williamson County, Tennessee.
How Rich Is Williamson County, Tennessee?
Williamson County has a wealth index grade of A+. The wealth index grades areas from A+ (best) to F- by combining income levels, employment rates, and income inequality; an A+ grade means it is one of the most prosperous areas in the country. The median household income is $135,891, about 94% higher than the Tennessee average of $69,901.
Are incomes growing in Williamson County, Tennessee?
Between 2009 and 2024, the median household income in Williamson County, Tennessee rose 53%, from $88,661 to $135,891. Over the same years, income here lagged behind Tennessee as a whole: +53% against +63%.
What was the median household income in Williamson County in 2023?
In 2023, the median household income in Williamson County, Tennessee was $131,296, up 4% from $125,928 in 2022. The Tennessee median that year was $67,483.
What was the median household income in Williamson County in 2020?
In 2020, the median household income in Williamson County, Tennessee was $113,333. By 2024 it had risen 20% to $135,891.
Do many residents of Williamson County, Tennessee earn over $100,000?
Yes. 27% of adults in Williamson County, Tennessee earn $100,000 or more a year (about 1 in 4), against 10% (about 1 in 10) in Tennessee. 31% of households have a combined income of $200,000 or more, compared with 9% in Tennessee.
Is it hard to find a job in Williamson County, Tennessee?
Unemployment in Williamson County, Tennessee is only 2.4%, well below the Tennessee rate of 4.6%, a sign of a tight labor market where employers compete for workers.
What is the Gini coefficient in Williamson County, Tennessee?
The Gini coefficient in Williamson County is 0.534. It measures income inequality on a scale from 0 (everyone earns the same) to 1 (one household earns everything). That is lower than the US average of 0.552, so income is distributed more equally than in the country overall.
How has the income gap between men and women changed in Williamson County, Tennessee?
Since 2009, the income gap between men and women in Williamson County, Tennessee has narrowed from about 39% to 35% in 2024. In dollar terms, the gap has widened by $7,704 since 2009.
Analyze any area in the US
Get local demographics for any address, aggregated by drive time or radius, on the interactive map.
Explore the map →