Williamson County, Texas Population 2018

Williamson County, Texas's estimated population is 547,545 with a growth rate of 11.60% in the past year according to the most recent United States census data. Williamson County, Texas is the 12th largest county in Texas.

Year Population Growth Growth Rate
2017547,54556,92611.60%
2016490,619-37,150-7.04%
2016527,76920,3494.01%
2015507,42019,0353.90%
2014488,38517,9373.81%
2013470,44814,3783.15%
2012456,07013,8933.14%
2011442,17715,8523.72%
2010426,325286,774205.50%
1990139,55163,03082.37%
198076,52139,216105.12%
197037,3052,2616.45%
196035,044-3,809-9.80%
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%
18706,3681,83940.60%
18604,5292,961188.84%
18501,5680.00%

Williamson County, Texas Population Growth

Population Data via

Population by Race

Race Population
White400,363
Black or African American30,836
Asian28,449
Two or More Races16,927
Some Other Race12,539
American Indian and Alaska Native1,377
Native Hawaiian and Other Pacific Islander128

Race Data via US Census (2016 ACS 5-Year Survey)

Williamson County, Texas Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Williamson County, Texas Median Age

35.6


Total

34.9


Male

36.1


Female

Williamson County, Texas Adults

There are 357,661 adults, (53,477 of which are seniors) in Williamson County, Texas.

Williamson County, Texas Age Dependency

61.2

Age Dependency Ratio

17.6

Old Age Dependency Ratio

43.7

Child Dependency Ratio

Williamson County, Texas Sex Ratio

Female

249,430

50.84%

Male

241,189

49.16%

Williamson County, Texas Households and Families

Williamson County, Texas Renter vs Owner Occupied by Household Type

Williamson County, Texas Household Types

Type Owner Renter
Married82.1%17.9%
All68.6%31.4%
Male53.3%46.7%
Non Family49.9%50.1%
Female46.3%53.7%

68.6%

Rate of Home Ownership

Williamson County, Texas Households by Type

Type Count Average Size Owned
All165,4252.9468.6
Married97,0593.5182.1
Non Family45,9581.3149.9
Female16,2833.7846.3
Male6,1253.8553.3

3.47

Average Family Size

2.94

Average Household Size

4.4%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Williamson County, Texas Households

Williamson County, Texas Education

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

Education Attained Count Percentage
Less Than 9th Grade9,4732.97%
9th to 12th Grade13,2584.15%
High School Graduate65,61120.56%
Some College77,60424.31%
Associates Degree27,4568.60%
Bachelors Degree85,38526.75%
Graduate Degree40,37512.65%

Williamson County, Texas Educational Attainment by Race

Name Total High School Bachelors
White212,363205,89590,589
Hispanic63,81850,81114,453
Black19,22317,4615,637
Asian18,64917,35812,946
Other Race7,8235,8591,551
Multiple Races6,2235,9172,533
Native American814695163
Islander9274

The highest rate of high school graduation is among white people with a rate of 96.95%.

The highest rate of bachelors degrees is among white people with a rate of 69.42%.

Williamson County, Texas Earnings by Educational Attainment

Name Average Male Female
Overall$43,624$52,037$35,826
Less Than High School$23,513$27,749$16,247
High School Grad$31,300$37,466$25,890
Some College$39,940$47,860$32,224
Bachelors Degree$55,396$73,732$45,587
Graduate Degree$67,065$87,115$51,564

$43,624

Average Earnings

$52,037

Average Male

$35,826

Average Female

Williamson County, Texas Language

Williamson County, Texas Language by Age

Williamson County, Texas Language

79.05% of Williamson County, Texas residents speak only English, while 20.95% speak other languages. The largest non-English language is Spanish, which is spoken by 14.47% of the population.

Williamson County, Texas Poverty

Williamson County, Texas Poverty by Race

Name Total In Poverty Poverty Rate
White299,71315,9935.34%
Hispanic115,22412,25210.63%
Black30,2214,55815.08%
Multiple16,8471,5299.08%
Asian28,4021,3894.89%
Other12,3067926.44%
Native1,3531188.72%

7.22%

Overall Poverty Rate

6.40%

Male Poverty Rate

8.01%

Female Poverty Rate

Poverty in Williamson County, Texas

The race most likely to be in poverty in Williamson County, Texas is Black, with 15.08% below the poverty level.

The race least likely to be in poverty in Williamson County, Texas is Asian, with 4.89% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.70%. Among those working part-time, it was 10.95%, and for those that did not work, the poverty rate was 12.44%.

Williamson County, Texas Poverty Rate by Education

Name Poverty
Less Than High School16.65%
High School8.40%
Some College5.47%
Bachelors or Greater3.03%

Williamson County, Texas Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed19.71%
Female Unemployed18.90%
Female Employed4.60%
Male Employed3.28%

Williamson County, Texas Income

Williamson County, Texas Income by Household Type

Name Median Mean
Households$75,935$91,639
Families$88,161$103,213
Married Families$98,161$113,452
Non Families$45,673$57,287

Williamson County, Texas Marital Status

Williamson County, Texas Marital Status

Marriage Rates

55.9%

Overall Marriage Rate

58.4%

Male Marriage Rate

53.6%

Female Marriage Rate

Williamson County, Texas Married by Age and Sex

Williamson County, Texas Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 35To44.

Williamson County, Texas Marital Status by Race

Williamson County, Texas Veterans

Williamson County, Texas Veterans by War

34,454

Number of Veterans

30,796

Male Veterans

3,658

Female Veterans

Name Veterans
Vietnam10,907
First Gulf War10,712
Second Gulf War7,230
Korea2,147
World War II1,074

Williamson County, Texas Veterans by Age

Name Veterans
35 to 5412,595
65 to 747,087
55 to 645,808
75+4,962
18 to 344,002

Williamson County, Texas Veterans by Race

Name Veterans % of Total
White30,08610.14%
Hispanic5,0456.62%
Black2,77312.50%
2 or More6217.99%
Other5486.08%
Asian2541.25%
Indian15315.41%
Hawaiian1931.15%

Williamson County, Texas Veterans by Education

4.06%

Veteran Poverty Rate

21.04%

Veteran Disability Rate

Williamson County, Texas Employment Status

Williamson County, Texas Employment by Age

69.5%

Labor Force Participation

65.6%

Employment Rate

5.3%

Unemployment Rate

Williamson County, Texas Employment by Race

Williamson County, Texas Employment by Education

Population of Cities in Williamson County, Texas

City 2010 Census 2016 Estimated Growth Growth Rate
Austin 81104594789013684516.87%
Round Rock 1000011208922089120.89%
Cedar Park 51731689181718733.22%
Georgetown47466671401967441.45%
Pflugerville 48366592451087922.49%
Leander 26452427611630961.66%
Hutto1646123832737144.78%
Taylor1528116857157610.31%
Bartlett 26762752762.84%
Liberty Hill927161268573.89%
Granger14171514976.85%
Jarrell994134635235.41%
Thorndale 12941293-1-0.08%
Florence113712491129.85%
Thrall8389289010.74%
Weir4535004710.38%
Coupland277302259.03%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990