Williamson County, Texas Population 2023

664,919

Williamson County, Texas's estimated 2023 population is 664,919 with a growth rate of 2.88% 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 422,679 and has seen a growth of 57.31% since that time.

Note: data after 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
2010422,679
2011441,31318,6344.41%
2012459,94718,6344.22%
2013478,58118,6344.05%
2014497,21518,6343.89%
2015515,84918,6343.75%
2016534,48318,6343.61%
2017553,11718,6343.49%
2018571,75118,6343.37%
2019590,38518,6343.26%
2020609,01718,6323.16%
2021627,65118,6343.06%
2022646,28518,6342.97%
2023664,91918,6342.88%
showing: 14 rows
2023 Growth Rate
2.88% (18,634)
County Website
Williamson County
State
Texas
Founded
March 13, 1848
County Seat
Georgetown
2010 Population
422,679
Growth Since 2010
57.31% (242,240)

Williamson County, Texas Population 2023

Population by Race

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Race
Population
Percentage (of total)
White425,22171.86%
Two or more races59,35710.03%
Asian44,4197.51%
Black or African American38,7086.54%
Other race21,1063.57%
Native American2,2730.38%
Native Hawaiian or Pacific Islander6750.11%
showing: 7 rows

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 2023

Williamson County, Texas Median Age

36.7

Total

36.2

Male

37.3

Female

Williamson County, Texas Adults

There are 441,537 adults, (72,207 of whom are seniors) in Williamson County, Texas.

Williamson County, Texas Age Dependency

60.2

Age Dependency Ratio

19.6

Old Age Dependency Ratio

40.7

Child Dependency Ratio

Williamson County, Texas Sex Ratio

Female298,35250.42%
Male293,40749.58%

Williamson County, Texas Population by Age

Williamson County, Texas Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All217,7802.767.832.2
Married125,5403.2781.218.8
Non Family61,7271.2849.150.9
Female21,1003.2449.350.7
Male9,4133.2552.647.4
showing: 5 rows

3.19

Average Family Size

2.7

Average Household Size

67.8%

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 68.21%.

Williamson County, Texas Educational Attainment by Race

All

Male

Female

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$54,206

Average Earnings

$65,325

Average Male

$43,925

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

77.2% of Williamson County, Texas residents speak only English, while 22.8% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 13.85% of the population.

Williamson County, Texas Language

Williamson County, Texas Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White335,87115,2514.54%
Hispanic146,42413,3819.14%
Black38,1334,43911.64%
Multiple58,7883,5566.05%
Asian44,3262,1024.74%
Other21,0131,9139.1%
Native2,2392109.38%
Islander67214020.83%
showing: 8 rows

6.3%

Overall Poverty Rate

5.54%

Male Poverty Rate

7.04%

Female Poverty Rate

Poverty in Williamson County, Texas

The race most likely to be in poverty in Williamson County, Texas is Islander, with 20.83% below the poverty level.

The race least likely to be in poverty in Williamson County, Texas is White, with 4.54% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.67%. Among those working part-time, it was 10.77%, and for those that did not work, the poverty rate was 11.02%.

Williamson County, Texas Poverty

rate

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Rate
Poverty
Less Than 9th Grade15.31%
High School8.59%
Some College5.68%
Bachelors or Greater2.28%
showing: 4 rows

Williamson County, Texas Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed18.82%
Male Unemployed16.71%
Female Employed4.64%
Male Employed3.14%
showing: 4 rows

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

58.3%

Male Marriage Rate

55.4%

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

38,122

Number of Veterans

33,630

Male Veterans

4,492

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

3.88%

Veteran Poverty Rate

24.57%

Veteran Disability Rate

Williamson County, Texas Veterans by Education

LaborForceParticipation

70.5%

Labor Force Participation

67.2%

Employment Rate

4.5%

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

51.52%

Born in Williamson County, Texas

87.03%

Native Born

13.74%

Foreign Born

7.4%

Non Citizen

6.34%

Naturalized

Place of Birth

87.03% of Williamson County, Texas residents were born in the United States, with 51.52% having been born in Texas. 7.4% 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