Williamson County, Texas Population 2024

725,352

Williamson County, Texas's estimated 2024 population is 725,352 with a growth rate of 3.86% in the past year according to the most recent United States census data. Williamson County, Texas is the 12th largest county in Texas. The 2010 population was 426,568 and has seen a growth of 70.04% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029860,18726,9673.24%
2028833,22026,9673.34%
2027806,25326,9673.46%
2026779,28626,9673.58%
2025752,31926,9673.72%
2024725,35226,9673.86%
2023698,38526,9674.02%
2022671,41826,9674.18%
2021644,45128,9344.7%
2020615,51723,6944%
2019591,82324,3584.29%
2018567,46520,6283.77%
2017546,83718,6303.53%
2016528,20720,4794.03%
2015507,72819,2823.95%
2014488,44617,9523.82%
2013470,49414,3503.15%
2012456,14413,7783.11%
2011442,36615,7983.7%
2010426,56800%
1990139,55163,03082.37%
198076,52139,216105.12%
197037,3052,2616.45%
196035,044-3,809-9.8%
195038,853-2,845-6.82%
194041,698-2,448-5.55%
193044,1461,2122.82%
192042,9347061.67%
191042,2284,15610.92%
190038,07212,16346.95%
189025,90910,75470.96%
188015,1558,787137.99%
18706,3681,83940.6%
18604,5292,961188.84%
18501,568-858,619-99.82%
showing: 35 rows
2024 Growth Rate
3.86% (26,967)
County Website
Williamson County
State
Texas
County Seat
2020 Population
615,517
Area
1118 mi²
Density
649 people/mi²
Growth Since 2020
17.84% (109,835)
Founded
March 13, 1848

Williamson County, Texas Population 2024

Population by Race

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Race
Population
Percentage (of total)
White417,46367.62%
Two or more races78,15612.66%
Asian50,3708.16%
Black or African American41,7446.76%
Other race26,2544.25%
Native American2,6330.43%
Native Hawaiian or Pacific Islander7760.13%

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Williamson County, Texas Population by Race

Williamson County, Texas Population Pyramid 2024

Williamson County, Texas Median Age

36.9

Total

36.3

Male

37.5

Female

Williamson County, Texas Adults

There are 464,790 adults, (77,609 of whom are seniors) in Williamson County, Texas.

Williamson County, Texas Age Dependency

59.5

Age Dependency Ratio

20

Old Age Dependency Ratio

39.4

Child Dependency Ratio

Williamson County, Texas Sex Ratio

Female310,32050.26%
Male307,07649.74%

Williamson County, Texas Population by Age

Williamson County, Texas Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All229,9062.6767.732.3
Married132,3393.2280.919.1
Non Family66,0711.2848.651.4
Female21,6513.2549.350.7
Male9,8453.1957.842.2

3.15

Average Family Size

2.67

Average Household Size

67.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Williamson County, Texas Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Williamson County, Texas Educational Attainment by Sex (over 25)

Williamson County, Texas Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 77.32%.

Williamson County, Texas Educational Attainment by Race

All

Male

Female

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$59,014

Average Earnings

$72,732

Average Male

$47,837

Average Female

Williamson County, Texas Earnings by Educational Attainment

Williamson County, Texas Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Williamson County, Texas Language

76.12% of Williamson County, Texas residents speak only English, while 23.88% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 13.96% of the population.

Williamson County, Texas Language

Williamson County, Texas Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White342,78716,2204.73%
Hispanic153,10313,1658.6%
Multiple77,5245,0936.57%
Black41,1535,00112.15%
Other25,9902,4269.33%
Asian50,2392,2494.48%
Native2,5982359.05%
Islander77617923.07%

6.34%

Overall Poverty Rate

5.68%

Male Poverty Rate

7%

Female Poverty Rate

Poverty in Williamson County, Texas

The race most likely to be in poverty in Williamson County, Texas is Islander, with 23.07% below the poverty level.

The race least likely to be in poverty in Williamson County, Texas is Asian, with 4.48% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.62%. Among those working part-time, it was 10.77%, and for those that did not work, the poverty rate was 11.31%.

Williamson County, Texas Poverty

rate

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Rate
Poverty
Less Than 9th Grade15.23%
High School9.3%
Some College5.55%
Bachelors or Greater2.61%

Williamson County, Texas Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed17.47%
Male Unemployed13.46%
Female Employed4.56%
Male Employed3.1%

Williamson County, Texas Poverty Rate by Employment Status and Sex

Williamson County, Texas Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Williamson County, Texas Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

56.8%

Overall Marriage Rate

58.5%

Male Marriage Rate

55.1%

Female Marriage Rate

Williamson County, Texas Married by Age and Sex

male

female

Williamson County, Texas Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Williamson County, Texas Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Williamson County, Texas Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

38,460

Number of Veterans

34,113

Male Veterans

4,347

Female Veterans

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Williamson County, Texas Veterans by War

count

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Williamson County, Texas Veterans by Age

count

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Williamson County, Texas Veterans by Race

Williamson County, Texas Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.47%

Veteran Poverty Rate

25.67%

Veteran Disability Rate

Williamson County, Texas Veterans by Education

LaborForceParticipation

70.7%

Labor Force Participation

67.4%

Employment Rate

4.4%

Unemployment Rate

Williamson County, Texas Employment by Age

LaborForceParticipation

Williamson County, Texas Employment by Race

LaborForceParticipation

Williamson County, Texas Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

49.95%

Born in Williamson County, Texas

85.57%

Native Born

14.43%

Foreign Born

7.55%

Non Citizen

6.88%

Naturalized

Place of Birth

85.57% of Williamson County, Texas residents were born in the United States, with 49.95% having been born in Texas. 7.55% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Williamson County, Texas Place of Birth

Sources