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COUNTY · 2020 ACS

Williamson County

Tennessee · 247,726 residents · 582.865 sq mi
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The short version

Williamson County is significantly wealthier than the US average, with a median household income of $111,196. The county has grown rapidly, with population up 96% since 2000. 60% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has more than doubled since 2000, reaching $471,300. Poverty is rare here, at 4.7% of residents. Households here earn about 103% more than the Tennessee median.

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
Population, 1990 – 2024
63K117K171K224K278K1990201020202024Williamson 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
Afford Score
4.2
+14%since 2009
from 3.7 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Williamson County on RentDataNow
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)
RANKED:Largest English population · Largest German population · Largest Irish population · Largest American population · Largest Italian population
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%
Management & professional
56.0%
−16.0 ptssince 2009
from 72.0% 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%
−88.7 ptssince 2013
from 93.9% in 2013
US average: 8.8%
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
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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46 census tracts (top 20 by population)
Census Tract 510.02Census Tract 512.08Census Tract 501.05Census Tract 506.04Census Tract 511Census Tract 512.05Census Tract 510.01Census Tract 512.06Census Tract 501.03Census Tract 501.02Census Tract 512.07Census Tract 512.04Census Tract 502.11Census Tract 504.04Census Tract 505.03Census Tract 506.01Census Tract 509.05Census Tract 502.04Census Tract 509.06Census Tract 504.06
10 ZIP codes
ZIP 37064ZIP 37027ZIP 37067ZIP 37135ZIP 37069ZIP 37179ZIP 37062ZIP 37046ZIP 37014ZIP 38476
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →