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COUNTY

Williamson County

Tennessee · 272,061 residents (2025 est.) · 583 sq mi
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Part of the Nashville-Davidson metropolitan government metro area
The short version

With 260,351 people, Williamson County is a county in Tennessee. Households here earn about 95% more than in Tennessee as a whole. Since 2000 the county has more than doubled, up 133,713 people. 63% of adults hold a bachelor's degree, against 36% nationally. Home values have more than tripled since 2000, reaching $751,900. Few US counties rank higher on income.

At a glance
Wealthier
median household income $135,594, above the US median
US median: $82,259
Mid-age
median age 40.4
US median: 38.9
More educated
63% hold a bachelor's degree
US average: 36%
Less affordable
home values up 102%, inflation adjusted
US median home: $376,019
Unique to this place

What stands out about Williamson County

What changed most since 1990

  • Population81,021 → 260,351 (+221%)US over the same years: +35%
  • Median home value (2024 dollars)$314,169 → $751,900 (+139%)US over the same years: +67%
  • Adults with a bachelor's degree34.2% → 62.7% (+28.5 pts)US over the same years: +15.3 pts

Among the 95 counties in Tennessee

  • 1st in household income$135,594
  • 1st in share with a bachelor's degree62.7%
  • 1st in home value$751,900
  • 25th in diversity score42.0
Section 01

Population & growth

Total population
260,351
+106%since 2000
from 126,638 in 2000
272,061 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
447 / sq mi
+106%since 2000
from 217 / sq mi in 2000
US average: 281
Median age
40.4
+12%since 2000
from 36.2 in 2000
US average: 38.9
Land area
583 sq mi
Population, 1990 – 2024
63K117K171K224K278K19902000201020202024Williamson County
2024260K
1990201020202024
Age distribution, 2024
Under 55.3%(13,726)
US avg: 5.6%
5 to 97.3%(18,974)
US avg: 6%
10 to 148%(20,751)
US avg: 6.4%
15 to 197.7%(20,026)
US avg: 6.6%
20 to 245.7%(14,771)
US avg: 6.5%
25 to 348.7%(22,709)
US avg: 13.7%
35 to 4414.7%(38,247)
US avg: 13.2%
45 to 5415.1%(39,418)
US avg: 12.2%
55 to 6412.8%(33,325)
US avg: 12.7%
65 to 749%(23,525)
US avg: 10.2%
75 to 844.4%(11,380)
US avg: 5.1%
85 and over1.3%(3,499)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$135,594
+8%inflation adjusted, since 2000
from $69,104 in 2000
US average: $82,259
1990 – 2024
Per capita income
$66,219
+104%since 2000
from $32,496 in 2000
US average: $44,673
Households earning $100K+
74.1%
+16.2 ptssince 2009
from 57.9% in 2009
US average: 53.3%
Poverty rate
4.6%
−0.1 ptssince 2000
from 4.7% in 2000
US average: 12.5%
Income inequality (Gini)
0.451
+2%since 2010
from 0.442 in 2010
US average: 0.476
Workforce by industry, 2024
Other services11.6%
US avg: 6.7%
Information10.7%
US avg: 10.8%
Public administration9%
US avg: 4.8%
Retail trade7.3%
US avg: 9.9%
Wholesale trade4.9%
US avg: 6.9%
Finance & insurance3.4%
US avg: 5.9%
Professional, scientific, technical3.1%
US avg: 5.1%
Transportation & warehousing2.6%
US avg: 2.2%
Arts, entertainment, food2%
US avg: 1.9%
Agriculture, forestry, fishing0.4%
US avg: 1.6%
Construction0.3%
US avg: 1.2%
Education & health services0.3%
US avg: 0.9%
Manufacturing0.1%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$751,900
+102%inflation adjusted, since 2000
from $204,700 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,969
+45%inflation adjusted, since 2000
from $744 in 2000
US average: $1,442
Owner-occupied
78.8%
−2.7 ptssince 2000
from 81.5% in 2000
21.2% rent
Vacancy rate
4.9%
−0.4 ptssince 2009
from 5.2% in 2009
US average: 10.0%
Persons per household
2.81 people
−2%since 2009
from 2.87 people in 2009
US average: 2.54
Owner cost-burdened
19.7%
−2.5 ptssince 2009
from 22.2% in 2009
US average: 22.9%
Renter cost-burdened
46.1%
+7.4 ptssince 2009
from 38.7% in 2009
US average: 47.4%
Afford Score
5.5
+49%since 2009
from 3.7 in 2009
1990 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
79
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic90.2%(114,177)
Black5.2%(6,543)
Hispanic / Latino2.5%(3,197)
Asian1.2%(1,571)
Other0%
2024
White, non-Hispanic80.9%(210,687)
Black3.9%(10,162)
Hispanic / Latino6%(15,611)
Asian5.3%(13,865)
Other3.9%(10,026)
Diversity Score
42
+43%since 2009
from 29 in 2009
1990 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
25
−16%since 2020
from 29 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican2.9%(7,643)
Puerto Rican0.6%(1,515)
Honduran0.6%(1,441)
Cuban0.4%(1,105)
Spaniard0.2%(495)
Salvadoran0.2%(394)
Dominican0.1%(343)
Venezuelan0.1%(303)
Nicaraguan0.1%(265)
Colombian0.1%(251)
+ 9 more hispanic origin groups with data
Panamanian0.1%(206)
Guatemalan0.1%(152)
Peruvian0%(105)
Chilean0%(76)
Bolivian0%(71)
Argentine0%(49)
Asian origin
Asian Indian3.1%(8,066)
Chinese0.8%(2,189)
Korean0.4%(1,022)
Vietnamese0.2%(629)
Nepalese0.2%(411)
Japanese0.1%(372)
Filipino0.1%(350)
Pakistani0.1%(190)
Taiwanese0.1%(137)
Kazakh0%(49)
Thai0%(27)
+ 4 more asian origin groups with data
Mongolian0%(22)
Uzbek0%(22)
Laotian0%(12)
Pacific Islander origin
Samoan0%(88)
Fijian0%(66)
Chamorro0%(52)
Ancestry
English20.2%(52,498)
German12.9%(33,696)
Irish11.6%(30,305)
American8.2%(21,345)
Italian3.8%(9,993)
Scottish3.2%(8,362)
Scotch-Irish2.1%(5,528)
French2.1%(5,468)
Polish1.5%(3,842)
Swedish1%(2,536)
Welsh0.9%(2,268)
+ 41 more ancestry groups with data
Dutch0.8%(2,103)
Norwegian0.8%(2,073)
Arab0.7%(1,797)
British0.5%(1,363)
Greek0.5%(1,204)
Lebanese0.3%(862)
Russian0.3%(837)
Swiss0.3%(767)
Canadian0.3%(724)
Danish0.3%(716)
Hungarian0.3%(660)
Czech0.2%(585)
Romanian0.2%(559)
Lithuanian0.2%(487)
Finnish0.2%(480)
Iranian0.2%(423)
Ukrainian0.2%(423)
Portuguese0.1%(349)
Nigerian0.1%(336)
Belgian0.1%(324)
Slovak0.1%(319)
Egyptian0.1%(290)
Brazilian0.1%(268)
Austrian0.1%(254)
West Indian0.1%(240)
Iraqi0.1%(208)
Latvian0.1%(167)
Armenian0.1%(147)
Bulgarian0%(118)
Turkish0%(109)
Slovene0%(107)
Croatian0%(91)
Serbian0%(63)
Syrian0%(51)
Jamaican0%(51)
Kenyan0%(49)
Ethiopian0%(37)
Haitian0%(22)
Section 05

Education

Bachelor's degree or higher
62.7%
+18.3 ptssince 2000
from 44.4% in 2000
US average: 35.6%
High school or higher
96.3%
+6.2 ptssince 2000
from 90.1% in 2000
US average: 89.6%
Graduate degree
24.0%
+9.7 ptssince 2000
from 14.2% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
27.9 min
+66%since 2000
from 16.8 min in 2000
US average: 26.5
Drive alone to work
64.9%
−15.5 ptssince 2009
from 80.4% in 2009
US average: 68.9%
Carpooled to work
5.1%
−4.8 ptssince 2009
from 9.9% in 2009
US average: 8.5%
Public transit
0.1%
−0.4 ptssince 2009
from 0.5% in 2009
US average: 3.2%
Worked from home
28.3%
+20.9 ptssince 2009
from 7.4% in 2009
US average: 15.0%
Walked to work
0.5%
−0.3 ptssince 2009
from 0.9% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
2.1%
−0.2 ptssince 2009
from 2.3% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
2.4%
−2.7 ptssince 2011
from 5.1% in 2011
US average: 5.2%
Labor force participation
66.4%
−2.5 ptssince 2011
from 69.0% in 2011
US average: 63.5%
Women 20-64 in the labor force
71.7%
+0.4 ptssince 2020
from 71.3% in 2020
US average: 74.6%
Self-employed
10.7%
−0.4 ptssince 2009
from 11.1% in 2009
US average: 13.1%
Management & professional
58.7%
+10.0 ptssince 2009
from 48.7% in 2009
US average: 42.5%
Section 08

People & community

Male
49.5%
+0.1 ptssince 2009
from 49.4% in 2009
Female
50.5%
−0.1 ptssince 2009
from 50.6% in 2009
Foreign born
8.5%
+3.0 ptssince 2009
from 5.5% in 2009
US average: 14.1%
Veterans
5.1%
−4.2 ptssince 2009
from 9.3% in 2009
US average: 6.2%
With a disability
8.2%
+0.8 ptssince 2012
from 7.4% in 2012
US average: 13.3%
Uninsured
4.4%
−1.7 ptssince 2013
from 6.1% in 2013
US average: 8.4%
Broadband at home
96.0%
+5.7 ptssince 2017
from 90.3% in 2017
US average: 91.0%
Computer in household
98.5%
+1.3 ptssince 2020
from 97.2% in 2020
US average: 95.5%
Same house as last year
87.8%
+1.8 ptssince 2020
from 86.1% in 2020
US average: 87.7%
English only at home
90.2%
−1.9 ptssince 2016
from 92.1% in 2016
US average: 77.7%
Spanish at home
3.8%
+0.7 ptssince 2016
from 3.1% in 2016
US average: 13.6%
Marital status
Men 15+
Never married26.9%(27,237)
Married65.8%(66,595)
Widowed2%(2,000)
Divorced5.3%(5,379)
Women 15+
Never married23.4%(24,762)
Married60.7%(64,202)
Widowed6.1%(6,432)
Divorced9.7%(10,293)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
4.4%
−1.7 ptssince 2013
from 6.1% in 2013
US average: 8.4%
Employer-based
71.0%
−0.9 ptssince 2020
from 71.9% in 2020
US average: 54.8%
Direct-purchase
16.7%
+0.2 ptssince 2020
from 16.5% in 2020
US average: 13.8%
Medicare
14.6%
+1.3 ptssince 2020
from 13.3% in 2020
US average: 18.4%
Medicaid
6.8%
+0.6 ptssince 2020
from 6.2% in 2020
US average: 20.9%
VA health care
1.3%
+0.2 ptssince 2020
from 1.1% in 2020
US average: 2.2%
Any private
85.3%
−0.4 ptssince 2020
from 85.7% in 2020
US average: 67.1%
Any public
20.7%
+2.1 ptssince 2020
from 18.6% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)30.5%(3,009)
US avg: 26.4%
Gulf War (1990s)25.9%(2,559)
US avg: 24.3%
Vietnam era31.8%(3,139)
US avg: 33.1%
Korean War4.8%(469)
US avg: 4.5%
World War II0.9%(91)
US avg: 1%

Share of the 9,865 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time

Williamson County, decade by decade

Williamson County population, inflation-adjusted income and home value, education, and diversity by year
YearPopulationMedian household incomeMedian home valueBachelor's degree+Diversity score
199081,021$104,679$314,16934.2%18.9
2000126,638$125,884$372,89344.4%22.9
2010183,182$126,353$483,07251.8%30.5
2020247,726$134,774$571,23460.5%42.2
2024260,351$135,594$751,90062.7%42.0

Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.

Drill deeper

Places similar to Williamson County

Forsyth County
Pop 282,805
Marin County
Pop 253,694
Frederick County
Pop 302,883
Washington County
Pop 286,895
Places similar to Williamson County
Head to head

Compare Williamson County to nearby counties

WILLIAMSON COUNTY VS
Davidson County
Income$77,853−43%
Home value$417,400−44%
Population745,904+174%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Maury County
Income$76,130−44%
Home value$355,700−53%
Population118,131−57%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Rutherford County
Income$85,470−37%
Home value$382,600−49%
Population386,352+42%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Cheatham County
Income$89,852−34%
Home value$338,700−55%
Population42,778−84%
SEE FULL COMPARISON →
Frequently asked

How many people live in Williamson County, Tennessee?

Williamson County, Tennessee has about 260,351 residents according to the 2024 American Community Survey.

What is the median household income in Williamson County, Tennessee?

The typical household in Williamson County, Tennessee earns about $135,594 a year. Half of households make more than that, and half make less.

Is Williamson County, Tennessee expensive?

In Williamson County, Tennessee, the median home is worth about $751,900, and the typical rent is about $1,969 a month.

How educated are people in Williamson County, Tennessee?

About 62.7% of adults age 25 and over in Williamson County, Tennessee hold a bachelor's degree or higher.

What is the poverty rate in Williamson County, Tennessee?

About 4.6% of people in Williamson County, Tennessee live below the federal poverty line.

Has Williamson County, Tennessee grown since 1990?

Yes, Williamson County, Tennessee has grown since 1990. The population has added about 179,330 residents, a change of about 221 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →