Williamson County, Tennessee Population 2022

Williamson County, Tennessee's estimated population is 257,714 with a growth rate of 2.56% in the past year according to the most recent United States census data. Williamson County, Tennessee is the 7th largest county in Tennessee. The 2010 Population was 184,143 and has seen a growth of 39.95% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18002,8680.00%
181013,15310,285358.61%
182020,6407,48756.92%
183026,6385,99829.06%
184027,0063681.38%
185027,2011950.72%
186023,827-3,374-12.40%
187025,3281,5016.30%
188028,3132,98511.79%
189026,321-1,992-7.04%
190026,4291080.41%
191024,213-2,216-8.38%
192023,409-804-3.32%
193022,845-564-2.41%
194025,2202,37510.40%
195024,307-913-3.62%
196025,2679603.95%
197034,3309,06335.87%
198058,10823,77869.26%
199081,02122,91339.43%
2010184,143103,122127.28%
2011188,5014,3582.37%
2012193,2114,7102.50%
2013199,1435,9323.07%
2014205,3346,1913.11%
2015211,6056,2713.05%
2016218,9037,2983.45%
2017226,0487,1453.26%
2018231,9785,9302.62%
2019238,4126,4342.77%
2020244,8466,4342.70%
2021251,2806,4342.63%
2022257,7146,4342.56%
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Williamson County, Tennessee Population Growth

Population by Race

Race Population Percentage
White202,32587.07%
Black or African American9,5074.09%
American Indian and Alaska Native8970.39%
Asian10,8674.68%
Native Hawaiian and Other Pacific Islander490.02%
Some Other Race1,7790.77%
Two or More Races6,9562.99%
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Williamson County, Tennessee Population by Race

Williamson County, Tennessee Population Pyramid 2022

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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

Age Dependency Ratio

22

Old Age Dependency Ratio

45.4

Child Dependency Ratio

Williamson County, Tennessee Sex Ratio

Female

118,474

50.98%

Male

113,906

49.02%

Williamson County, Tennessee Population by Age

Williamson County, Tennessee Renter vs Owner Occupied by Household Type

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Williamson County, Tennessee Household Types

Type Owner Renter
Married87.4%12.6%
All79.4%20.6%
Male69%31%
Female66.8%33.2%
Non Family59.2%40.8%

79.4%

Rate of Home Ownership

Williamson County, Tennessee Households and Families

Type Count Average Size Owned
All81,0412.8679.4
Married55,7563.387.4
Male1,7693.269
Female6,3223.2666.8
Non Family17,1941.2559.2

3.25

Average Family Size

2.86

Average Household Size

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Williamson County, Tennessee Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,6541.75%
9th to 12th Grade4,6003.03%
High School Graduate19,77013.02%
Some College23,14915.25%
Associates Degree9,8466.49%
Bachelors Degree57,84138.10%
Graduate Degree33,93922.36%
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Williamson County, Tennessee Educational Attainment by Sex (over 25)

Williamson County, Tennessee Educational Attainment by Race

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Race Total High School Bachelors
Asian6,9546,7065,903
2+ Races3,4353,1112,103
White129,579125,04778,807
Black6,2095,4222,716
Other Race1,059828425
Hispanic6,1584,4552,321
Native American61039655
Islander2020

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 84.89%.

Williamson County, Tennessee Educational Attainment by Race

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Name Average Male Female
Overall$61,866$85,352$43,355
Less Than 9th Grade$25,410$31,821$16,053
High School Graduate$37,575$44,351$30,630
Some College$44,115$62,316$31,467
Bachelors Degree$70,751$98,622$46,006
Graduate Degree$92,454$118,927$64,284

$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

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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

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Name Total In Poverty Poverty Rate
Hispanic11,2891,78715.83%
Black9,4721,37314.50%
Multiple6,82973610.78%
Asian10,8488447.78%
White193,9336,4703.34%
Other119NaN%

4.65%

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 15.83% below the poverty level.

The race least likely to be in poverty in Williamson County, Tennessee is Other, with NaN% 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

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Name Poverty
Less Than 9th Grade18.75%
High School9.00%
Some College3.67%
Bachelors or Greater1.87%

Williamson County, Tennessee Poverty Rate by Education

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Rate Poverty
Male Employed2.26%
Male Unemployed16.36%
Female Employed3.56%
Female Unemployed26.10%

Williamson County, Tennessee Poverty Rate by Employment Status and Sex

Williamson County, Tennessee Income by Household Type

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Name Median Mean
Households$111,196$149,051
Families$127,613$167,343
Married Families$137,510-
Non Families$56,514$76,480
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Income by Household Type

Williamson County, Tennessee Marital Status

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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

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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

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Williamson County, Tennessee Marital Status

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10,125

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War2,014
First Gulf War2,585
Vietnam3,333
Korea1,110
World War II230

Williamson County, Tennessee Veterans by War

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Age Group Veterans
18 to 34913
35 to 542,155
55 to 641,710
65 to 742,753
75+2,594

Williamson County, Tennessee Veterans by Age

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Name Veterans % of Total
White9,1886.18%
Black3905.57%
Native American81.20%
Asian1702.25%
2+ Races3699.47%
Hispanic1572.18%

Williamson County, Tennessee Veterans by Race

Williamson County, Tennessee Veterans by Education

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1.74%

Veteran Poverty Rate

24.90%

Veteran Disability Rate

Williamson County, Tennessee Veterans by Education

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68.1%

Labor Force Participation

66.4%

Employment Rate

2.5%

Unemployment Rate

Williamson County, Tennessee Employment by Age

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Williamson County, Tennessee Employment by Race

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Williamson County, Tennessee Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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40.67%

Born in Williamson County, Tennessee

92.40%

Native Born

7.60%

Foreign Born

4.26%

Non Citizen

3.34%

Naturalized

Place of Birth

92.40% of Williamson County, Tennessee residents were born in the United States, with 40.67% having been born in Tennessee. 4.26% 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

  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

Sources