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COUNTY · 1990 CENSUS

Williamson County

Tennessee · 81,021 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 $43,615. Population has fallen 36% since 2000, a loss of 45,617 residents. 34% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $130,900. Poverty is rare here, at 5.8% of residents. Households here earn about 76% more than the Tennessee median.

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

81,021
−36%vs 2000
vs 126,638 in 2000
1990 – 2025
139 / sq mi
−36%vs 2000
vs 217 / sq mi in 2000
US average: 221
34.1
−6%vs 2000
vs 36.2 in 2000
US average: 33.0
Population, 19902024
63K117K171K224K278K1990201020202024Williamson County
2024260K
1990201020202024
Section 02

Income & economy

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

Housing

$130,900
−16%inflation adjusted, since 2000
vs $204,700 in 2000
US average: $93,722
1990 – 2024
$480
−15%inflation adjusted, since 2000
vs $744 in 2000
US average: $450
79.5%
−2.0 ptsvs 2000
vs 81.5% in 2000
20.5% rent
3.0
+1%vs 2000
vs 3.0 in 2000
1990 – 2024
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%
Diversity Score21.1%(26,693)
1990
White, non-Hispanic92.3%(74,748)
Black6.7%(5,445)
Hispanic / Latino0.5%(440)
Asian0.6%(498)
Other0.4%(330)
Diversity Score19.2%(15,543)
19
−9%vs 2000
vs 21 in 2000
1990 – 2024
Section 05

Education

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%
10.8%
−3.4 ptsvs 2000
vs 14.2% in 2000
US average: 7.1%
Section 06

Commute & transportation

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.

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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

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