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COUNTY · 2020 ACS

Williamson County

Tennessee · 247,726 residents · 583 sq mi
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Part of the Nashville-Davidson metropolitan government metro area
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The short version

With 247,726 people, Williamson County is a county in Tennessee. Households here earn about 103% more than in Tennessee as a whole. Since 2000 the county has more than doubled, up 121,088 people. 60% of adults hold a bachelor's degree, against 33% nationally. Home values have more than doubled since 2000, reaching $471,300. Owners hold 78% of the housing stock.

At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 39.4
US median: 38.8
More educated
60% hold a bachelor's degree
US average: 33%
Less affordable
home values up 53%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
247,726
+96%since 2000
from 126,638 in 2000
1990 – 2025
Median age
39.4
+9%since 2000
from 36.2 in 2000
US average: 38.8
Land area
583 sq mi
Population, 1990 – 2024
63K117K171K224K278K19902000201020202024Williamson County
2024260K
1990201020202024
Age distribution, 2020
Under 55.8%(14,289)
US avg: 5.6%
5 to 97.7%(19,166)
US avg: 6.1%
10 to 148.8%(21,850)
US avg: 6.5%
15 to 197.8%(19,446)
US avg: 6.6%
20 to 244.8%(11,834)
US avg: 6.7%
25 to 349%(22,373)
US avg: 13.5%
35 to 4414.5%(36,024)
US avg: 12.7%
45 to 5415%(37,098)
US avg: 12.3%
55 to 6412.7%(31,358)
US avg: 13.1%
65 to 748.6%(21,427)
US avg: 10%
75 to 843.8%(9,477)
US avg: 4.9%
85 and over1.4%(3,384)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$111,196
+7%inflation adjusted, since 2000
from $69,104 in 2000
US average: $66,278
1990 – 2024
Per capita income
$53,320
+64%since 2000
from $32,496 in 2000
US average: $35,364
Households earning $100K+
67.6%
+9.8 ptssince 2009
from 57.9% in 2009
US average: 43.9%
Poverty rate
4.7%
−0.1 ptssince 2000
from 4.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Information11.1%
US avg: 11.1%
Other services10.1%
US avg: 6.6%
Public administration7.8%
US avg: 4.7%
Retail trade7.6%
US avg: 10%
Wholesale trade5.1%
US avg: 6.7%
Finance & insurance2.9%
US avg: 5.5%
Transportation & warehousing2.7%
US avg: 2.5%
Professional, scientific, technical2.6%
US avg: 4.7%
Arts, entertainment, food2.3%
US avg: 2%
Agriculture, forestry, fishing0.6%
US avg: 1.7%
Construction0.5%
US avg: 1.2%
Education & health services0.3%
US avg: 0.8%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$471,300
+53%inflation adjusted, since 2000
from $204,700 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,596
+43%inflation adjusted, since 2000
from $744 in 2000
US average: $1,124
Owner-occupied
78.5%
−3.0 ptssince 2000
from 81.5% in 2000
21.5% rent
Persons per household
2.86 people
Unchangedsince 2009
from 2.87 people in 2009
US average: 2.61
Afford Score
4.2
+14%since 2009
from 3.7 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
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%
2020
White, non-Hispanic80.9%(200,408)
Black3.9%(9,709)
Hispanic / Latino5.8%(14,261)
Asian5.2%(12,879)
Other2.7%(6,623)
Segregation Score
29
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
Mexican3.3%(7,590)
South American0.6%(1,390)
Cuban0.3%(605)
Puerto Rican0.2%(546)
Venezuelan0.2%(478)
Colombian0.2%(408)
Spaniard0.1%(233)
Panamanian0.1%(157)
Ecuadorian0.1%(152)
Guatemalan0.1%(134)
Peruvian0.1%(125)
+ 9 more hispanic origin groups with data
Asian origin
Asian Indian2.5%(5,806)
Chinese0.8%(1,956)
Korean0.6%(1,319)
Filipino0.2%(527)
Japanese0.2%(411)
Vietnamese0.1%(181)
Pakistani0.1%(146)
Mongolian0%(65)
Nepalese0%(59)
Thai0%(47)
+ 5 more asian origin groups with data
Taiwanese0%(31)
Laotian0%(30)
Burmese0%(13)
Cambodian0%(10)
Malaysian0%(10)
Pacific Islander origin
Fijian0%(1)
Ancestry
English15.4%(35,688)
German14.1%(32,656)
Irish11.3%(26,253)
American8.1%(18,834)
Italian4.2%(9,760)
Scottish3.2%(7,542)
French2.5%(5,774)
Scotch-Irish2.5%(5,765)
Polish1.8%(4,261)
British1.3%(2,972)
Welsh1.2%(2,759)
Swedish1.1%(2,626)
+ 43 more ancestry groups with data
Dutch1%(2,375)
Norwegian0.9%(1,982)
Russian0.7%(1,518)
Greek0.4%(862)
Hungarian0.3%(650)
Czech0.3%(633)
Danish0.3%(621)
Swiss0.3%(590)
Austrian0.3%(584)
Iranian0.2%(578)
Canadian0.2%(563)
Lithuanian0.2%(527)
Slovak0.2%(501)
Ukrainian0.2%(483)
Portuguese0.2%(457)
Lebanese0.2%(444)
Croatian0.2%(352)
Egyptian0.1%(298)
Armenian0.1%(241)
Brazilian0.1%(239)
Latvian0.1%(229)
Romanian0.1%(216)
Belgian0.1%(208)
Finnish0.1%(161)
Ethiopian0.1%(161)
West Indian0.1%(138)
Turkish0%(111)
Syrian0%(64)
Slovene0%(58)
Jamaican0%(42)
Iraqi0%(41)
Serbian0%(24)
Jordanian0%(22)
Haitian0%(16)
Section 05

Education

Bachelor's degree or higher
60.5%
+16.1 ptssince 2000
from 44.4% in 2000
US average: 32.9%
High school or higher
95.2%
+5.2 ptssince 2000
from 90.1% in 2000
US average: 88.5%
Graduate degree
22.4%
+8.1 ptssince 2000
from 14.2% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
27.8 min
+65%since 2000
from 16.8 min in 2000
US average: 26.9
Drive alone to work
77.2%
−3.2 ptssince 2009
from 80.4% in 2009
US average: 75.1%
No vehicle available
2.2%
−0.1 ptssince 2009
from 2.3% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
2.5%
−2.7 ptssince 2011
from 5.1% in 2011
US average: 5.4%
Labor force participation
68.1%
−0.8 ptssince 2011
from 69.0% in 2011
US average: 63.4%
Women 20-64 in the labor force
71.3%
US average: 73.3%
Management & professional
56.0%
+7.3 ptssince 2009
from 48.7% in 2009
US average: 39.3%
Section 08

People & community

Male
49.0%
−0.3 ptssince 2009
from 49.4% in 2009
Female
51.0%
+0.3 ptssince 2009
from 50.6% in 2009
Foreign born
7.6%
+2.1 ptssince 2009
from 5.5% in 2009
US average: 13.5%
Uninsured
5.2%
−0.9 ptssince 2013
from 6.1% in 2013
US average: 8.8%
Computer in household
97.2%
US average: 91.9%
Same house as last year
86.1%
US average: 86.2%
Marital status (2024)
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
5.2%
−0.9 ptssince 2013
from 6.1% in 2013
US average: 8.8%
Employer-based
71.9%
US average: 55.4%
Direct-purchase
16.5%
US average: 13.7%
Medicare
13.3%
US average: 17.6%
Medicaid
6.2%
US average: 20.0%
VA health care
1.1%
US average: 2.3%
Any private
85.7%
US average: 68.1%
Any public
18.6%
US average: 35.2%

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, 2020
Gulf War (2001 or later)19.9%(2,014)
US avg: 20.6%
Gulf War (1990s)25.5%(2,585)
US avg: 21.4%
Vietnam era32.9%(3,333)
US avg: 35.2%
Korean War11%(1,110)
US avg: 7.6%
World War II2.3%(230)
US avg: 2.9%

Share of the 10,125 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
Drill deeper

Places similar to Williamson County

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Pop 282,805
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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$77,853−30%
Home value$417,400−11%
Population745,904+174%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Maury County
Income$76,130−32%
Home value$355,700−25%
Population118,131−57%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Rutherford County
Income$85,470−23%
Home value$382,600−19%
Population386,352+42%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Cheatham County
Income$89,852−19%
Home value$338,700−28%
Population42,778−84%
SEE FULL COMPARISON →
Frequently asked

How many people live in Williamson County, Tennessee?

Williamson County, Tennessee has about 247,726 residents according to the 2020 American Community Survey.

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

The typical household in Williamson County, Tennessee earns about $111,196 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 $471,300, and the typical rent is about $1,596 a month.

How educated are people in Williamson County, Tennessee?

About 60.5% 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 4.7% 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 166,705 residents, a change of about 206 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 →