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COUNTY · 2000 CENSUS

Williamson County

Texas · 249,967 residents · 1,115.837 sq mi
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The short version

Williamson County is significantly wealthier than the US average, with a median household income of $60,642. The county has grown rapidly, with population up 79% since 1990. Median home value has risen by half since 1990, reaching $123,900. Poverty is rare here, at 4.8% of residents. Households here earn about 52% more than the Texas median.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 32.3
US median: 35.2
More educated
34% hold a bachelor's degree
US average: 24%
Less affordable
home values up 30%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

249,967
+79%since 1990
from 139,551 in 1990
1990 – 2025
224 / sq mi
+79%since 1990
from 125 / sq mi in 1990
US average: 242
32.3
+7%since 1990
from 30.2 in 1990
US average: 35.2
Population, 19902024
86K246K406K566K726K1990201020202024Williamson County
2024673K
1990201020202024
Section 02

Income & economy

$60,642
+37%inflation adjusted, since 1990
from $33,695 in 1990
US average: $42,589
1990 – 2024
$24,547
+82%since 1990
from $13,490 in 1990
US average: $21,522
4.8%
−5.3 ptssince 1990
from 10.1% in 1990
US average: 12.4%
Section 03

Housing

$123,900
+30%inflation adjusted, since 1990
from $72,100 in 1990
US average: $120,530
1990 – 2024
$787
+35%inflation adjusted, since 1990
from $442 in 1990
US average: $602
74.2%
+10.2 ptssince 1990
from 64.0% in 1990
25.8% rent
2.0
−5%since 1990
from 2.1 in 1990
1990 – 2024
RELATED:See current rent listings in Williamson County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic87.4%(121,975)
Black4.9%(6,849)
Hispanic / Latino14.1%(19,724)
Asian1.2%(1,723)
Diversity Score49.1%(68,560)
2000
White, non-Hispanic73.5%(183,847)
Black5%(12,444)
Hispanic / Latino17.2%(42,990)
Asian2.6%(6,483)
Diversity Score50.8%(127,028)
51
+3%since 1990
from 49 in 1990
1990 – 2024
Section 05

Education

33.6%
+9.0 ptssince 1990
from 24.6% in 1990
US average: 24.4%
High school or higher
88.8%
+7.5 ptssince 1990
from 81.4% in 1990
US average: 80.3%
9.2%
+2.8 ptssince 1990
from 6.4% in 1990
US average: 8.8%
Section 06

Commute & transportation

19.7 min
−19%since 1990
from 24.5 min in 1990
US average: 17.6
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, Texas?

Williamson County, Texas has about 249,967 residents according to the 2000 Census.

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

The typical household in Williamson County, Texas earns about $60,642 a year. Half of households make more than that, and half make less.

Is Williamson County, Texas expensive?

In Williamson County, Texas, the median home is worth about $123,900, and the typical rent is about $787 a month.

How educated are people in Williamson County, Texas?

About 33.6% of adults age 25 and over in Williamson County, Texas hold a bachelor's degree or higher.

What is the poverty rate in Williamson County, Texas?

About 4.8% of people in Williamson County, Texas live below the federal poverty line.

Has Williamson County, Texas grown since 1990?

Yes, Williamson County, Texas has grown since 1990. The population has added about 110,416 residents, a change of about 79 percent over that period.

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

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