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COUNTY · 1990 CENSUS

Williamson County

Tennessee · 81,021 residents · 583 sq mi
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The short version

Williamson County is a county of 81,021 people in Tennessee. Households here earn about 76% more than in Tennessee as a whole. 34% of adults hold a bachelor's degree, against 20% nationally. Owners hold 80% of the housing stock. There are 45,617 fewer people here than in 2000. Households take in $43,615 a year at the median, 45% more than the country as a whole.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 34.1
US median: 33.0
More educated
34% hold a bachelor's degree
US average: 20%
More affordable
home values down 16%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
81,021
−36%vs 2000
vs 126,638 in 2000
1990 – 2025
Median age
34.1
−6%vs 2000
vs 36.2 in 2000
US average: 33.0
Land area
583 sq mi
Population, 1990 – 2024
63K117K171K224K278K19902000201020202024Williamson County
2024260K
1990201020202024
Age distribution, 1990
Under 57.3%(5,936)
US avg: 7.3%
5 to 98.5%(6,891)
US avg: 7.3%
10 to 148.5%(6,893)
US avg: 6.9%
15 to 197.1%(5,776)
US avg: 7.1%
20 to 244.8%(3,873)
US avg: 7.5%
25 to 3415.3%(12,381)
US avg: 17.5%
35 to 4420.5%(16,629)
US avg: 15.1%
45 to 5412.2%(9,891)
US avg: 10.2%
55 to 647.5%(6,044)
US avg: 8.5%
65 to 744.8%(3,898)
US avg: 7.3%
75 to 842.8%(2,265)
US avg: 4%
85 and over0.7%(544)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$43,615
−17%inflation adjusted, since 2000
vs $69,104 in 2000
US average: $30,130
1990 – 2024
Per capita income
$19,339
−40%vs 2000
vs $32,496 in 2000
US average: $14,340
Poverty rate
5.8%
+1.0 ptsvs 2000
vs 4.7% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$130,900
−16%inflation adjusted, since 2000
vs $204,700 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$480
−15%inflation adjusted, since 2000
vs $744 in 2000
US average: $450
Owner-occupied
79.5%
−2.0 ptsvs 2000
vs 81.5% in 2000
20.5% rent
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%
1990
White, non-Hispanic92.3%(74,748)
Black6.7%(5,445)
Hispanic / Latino0.5%(440)
Asian0.6%(498)
Other0.4%(330)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

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
34.2%
−10.1 ptsvs 2000
vs 44.4% in 2000
US average: 20.3%
High school or higher
81.8%
−8.2 ptsvs 2000
vs 90.1% in 2000
US average: 75.2%
Graduate degree
10.8%
−3.4 ptsvs 2000
vs 14.2% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
25.0 min
+49%vs 2000
vs 16.8 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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

Showing 2024 (the nearest year with coverage data).

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
Drill deeper

Places similar to Williamson County

Forsyth County
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+79%
Home value$417,400+219%
Population745,904+174%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Maury County
Income$76,130+75%
Home value$355,700+172%
Population118,131−57%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Rutherford County
Income$85,470+96%
Home value$382,600+192%
Population386,352+42%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Cheatham County
Income$89,852+106%
Home value$338,700+159%
Population42,778−84%
SEE FULL COMPARISON →
Frequently asked

How many people live in Williamson County, Tennessee?

Williamson County, Tennessee has about 81,021 residents according to the 1990 Census.

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

The typical household in Williamson County, Tennessee earns about $43,615 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 $130,900, and the typical rent is about $480 a month.

How educated are people in Williamson County, Tennessee?

About 34.2% 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 5.8% of people in Williamson County, Tennessee live below the federal poverty line.

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

How we source and harmonize this data →