Williamson County, Tennessee Population 2023

267,088

Williamson County, Tennessee's estimated 2023 population is 267,088 with a growth rate of 2.48% in the past year according to the most recent United States census data. Williamson County, Tennessee is the 6th largest county in Tennessee. The 2010 population was 183,182 and has seen a growth of 45.8% since that time.

Note: data after 2020 is projected based on recent growth

Williamson County, Tennessee Population 2023

Population by Race

White

Asian

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Williamson County, Tennessee Population by Race

Williamson County, Tennessee Population Pyramid 2023

Williamson County, Tennessee Median Age

39.3

Total

38.3

Male

40.2

Female

Williamson County, Tennessee Adults

There are 169,365 adults, (30,577 of whom are seniors) in Williamson County, Tennessee.

Williamson County, Tennessee Age Dependency

67.4

Age Dependency Ratio

22

Old Age Dependency Ratio

45.4

Child Dependency Ratio

Williamson County, Tennessee Sex Ratio

Female118,47450.98%
Male113,90649.02%

Williamson County, Tennessee Population by Age

Williamson County, Tennessee Renter vs Owner Occupied by Household Type

3.25

Average Family Size

2.86

Average Household Size

79.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Williamson County, Tennessee Households and Families

Male

Female

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Williamson County, Tennessee Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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 73.14%.

Williamson County, Tennessee Educational Attainment by Race

All

Male

Female

$61,866

Average Earnings

$85,352

Average Male

$43,355

Average Female

Williamson County, Tennessee Earnings by Educational Attainment

Williamson County, Tennessee Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Williamson County, Tennessee Language

91.33% of Williamson County, Tennessee residents speak only English, while 8.67% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.76% of the population.

Williamson County, Tennessee Language

Williamson County, Tennessee Poverty by Race

rate

5.93%

Overall Poverty Rate

4.16%

Male Poverty Rate

5.12%

Female Poverty Rate

Poverty in Williamson County, Tennessee

The race most likely to be in poverty in Williamson County, Tennessee is Hispanic, with 22.37% below the poverty level.

The race least likely to be in poverty in Williamson County, Tennessee is White, with 4.2% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.12%. Among those working part-time, it was 7.31%, and for those that did not work, the poverty rate was 8.61%.

Williamson County, Tennessee Poverty

Williamson County, Tennessee Poverty Rate by Education

Williamson County, Tennessee Poverty Rate by Employment Status and Sex

Williamson County, Tennessee Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

mean

median

Income by Household Type

Williamson County, Tennessee Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

63.4%

Overall Marriage Rate

66.7%

Male Marriage Rate

60.3%

Female Marriage Rate

Williamson County, Tennessee Married by Age and Sex

male

female

Williamson County, Tennessee Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Williamson County, Tennessee Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Williamson County, Tennessee Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

10,125

Number of Veterans

9,284

Male Veterans

841

Female Veterans

Williamson County, Tennessee Veterans by War

Williamson County, Tennessee Veterans by Age

count

Williamson County, Tennessee Veterans by Race

Williamson County, Tennessee Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

1.74%

Veteran Poverty Rate

24.9%

Veteran Disability Rate

Williamson County, Tennessee Veterans by Education

LaborForceParticipation

68.1%

Labor Force Participation

66.4%

Employment Rate

2.5%

Unemployment Rate

Williamson County, Tennessee Employment by Age

LaborForceParticipation

Williamson County, Tennessee Employment by Race

LaborForceParticipation

Williamson County, Tennessee 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

38.15%

Born in Williamson County, Tennessee

86.68%

Native Born

7.13%

Foreign Born

3.99%

Non Citizen

3.13%

Naturalized

Place of Birth

86.68% of Williamson County, Tennessee residents were born in the United States, with 38.15% having been born in Tennessee. 3.99% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Williamson County, Tennessee Place of Birth

Sources