Williamson County, Tennessee Population 2018

Williamson County, Tennessee's estimated population is 226,257 with a growth rate of 10.02% in the past year according to the most recent United States census data. Williamson County, Tennessee is the 6th largest county in Tennessee.

Year Population Growth Growth Rate
2017226,25720,61210.02%
2016205,645-13,243-6.05%
2016218,8887,4323.51%
2015211,4566,2433.04%
2014205,2136,2223.13%
2013198,9915,9183.07%
2012193,0734,6782.48%
2011188,3954,2652.32%
2010184,130103,109127.26%
199081,02122,91339.43%
198058,10823,77869.26%
197034,3309,06335.87%
196025,2679603.95%
195024,307-913-3.62%
194025,2202,37510.40%
193022,845-564-2.41%
192023,409-804-3.32%
191024,213-2,216-8.38%
190026,4291080.41%
189026,321-1,992-7.04%
188028,3132,98511.79%
187025,3281,5016.30%
186023,827-3,374-12.40%
185027,2011950.72%
184027,0063681.38%
183026,6385,99829.06%
182020,6407,48756.92%
181013,15310,285358.61%
18002,8680.00%

Williamson County, Tennessee Population Growth

Population Data via

Population by Race

Race Population
White184,114
Black or African American8,788
Asian7,752
Two or More Races3,243
Some Other Race1,359
American Indian and Alaska Native285
Native Hawaiian and Other Pacific Islander104

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

Williamson County, Tennessee Population Pyramid 2018

0%2%4%6%8%10% Male Population0%2%4%6%8%10% Female Population80757065605550454035302520151050

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

Williamson County, Tennessee Median Age

39


Total

38.1


Male

39.6


Female

Williamson County, Tennessee Adults

There are 147,859 adults, (23,649 of which are seniors) in Williamson County, Tennessee.

Williamson County, Tennessee Age Dependency

65.7

Age Dependency Ratio

19.1

Old Age Dependency Ratio

46.6

Child Dependency Ratio

Williamson County, Tennessee Sex Ratio

Female

105,207

51.16%

Male

100,438

48.84%

Williamson County, Tennessee Households and Families

Williamson County, Tennessee Renter vs Owner Occupied by Household Type

Williamson County, Tennessee Household Types

Type Owner Renter
Married88.9%11.1%
All80.5%19.5%
Male74.9%25.1%
Non Family60.8%39.2%
Female55.9%44.1%

80.5%

Rate of Home Ownership

Williamson County, Tennessee Households by Type

Type Count Average Size Owned
All71,0432.8980.5
Married49,9653.388.9
Non Family14,0071.2460.8
Female5,3753.1655.9
Male1,6963.6274.9

3.25

Average Family Size

2.89

Average Household Size

2.4%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Williamson County, Tennessee Households

Williamson County, Tennessee Education

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

Education Attained Count Percentage
Less Than 9th Grade2,3191.74%
9th to 12th Grade3,5602.68%
High School Graduate20,80315.64%
Some College22,55216.95%
Associates Degree8,5336.41%
Bachelors Degree48,30436.31%
Graduate Degree26,97320.27%

Williamson County, Tennessee Educational Attainment by Race

Name Total High School Bachelors
White116,195112,34367,681
Black5,5854,9911,701
Hispanic5,0213,7701,337
Asian4,7574,6393,766
Multiple Races1,3671,276778
Other Race752721211
Native American22019465
Islander5050

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 islander people with a rate of 79.17%.

Williamson County, Tennessee Earnings by Educational Attainment

Name Average Male Female
Overall$53,812$73,335$40,142
Less Than High School$21,358$22,993$18,544
High School Grad$33,281$40,266$25,299
Some College$41,253$54,550$32,238
Bachelors Degree$63,494$88,004$45,018
Graduate Degree$87,624$117,345$56,191

$53,812

Average Earnings

$73,335

Average Male

$40,142

Average Female

Williamson County, Tennessee Language

Williamson County, Tennessee Language by Age

Williamson County, Tennessee Language

92.13% of Williamson County, Tennessee residents speak only English, while 7.87% speak other languages. The largest non-English language is Spanish, which is spoken by 3.15% of the population.

Williamson County, Tennessee Poverty

Williamson County, Tennessee Poverty by Race

Name Total In Poverty Poverty Rate
White175,5826,9023.93%
Hispanic9,2712,25724.34%
Black8,7337648.75%
Other1,32044633.79%
Asian7,7523184.10%
Multiple3,2352146.62%

5.15%

Overall Poverty Rate

4.36%

Male Poverty Rate

5.90%

Female Poverty Rate

Poverty in Williamson County, Tennessee

The race most likely to be in poverty in Williamson County, Tennessee is Other, with 33.79% below the poverty level.

The race least likely to be in poverty in Williamson County, Tennessee is White, with 3.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.93%. Among those working part-time, it was 7.82%, and for those that did not work, the poverty rate was 8.59%.

Williamson County, Tennessee Poverty Rate by Education

Name Poverty
Less Than High School21.98%
High School6.57%
Some College4.35%
Bachelors or Greater2.01%

Williamson County, Tennessee Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed20.83%
Female Unemployed15.86%
Female Employed3.85%
Male Employed1.90%

Williamson County, Tennessee Income

Williamson County, Tennessee Income by Household Type

Name Median Mean
Households$100,140$132,637
Families$112,555$146,491
Married Families$121,317$
Non Families$44,765$72,212

Williamson County, Tennessee Marital Status

Williamson County, Tennessee Marital Status

Marriage Rates

65.3%

Overall Marriage Rate

68.0%

Male Marriage Rate

62.8%

Female Marriage Rate

Williamson County, Tennessee Married by Age and Sex

Williamson County, Tennessee Marriage

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

Williamson County, Tennessee Marital Status by Race

Williamson County, Tennessee Veterans

Williamson County, Tennessee Veterans by War

9,791

Number of Veterans

9,196

Male Veterans

595

Female Veterans

Name Veterans
Vietnam3,399
First Gulf War2,475
Second Gulf War1,316
Korea853
World War II523

Williamson County, Tennessee Veterans by Age

Name Veterans
35 to 542,813
65 to 742,562
75+2,016
55 to 641,744
18 to 34656

Williamson County, Tennessee Veterans by Race

Name Veterans % of Total
White8,9906.74%
Black5218.19%
2 or More1559.41%
Hispanic1412.43%
Asian751.42%
Other434.93%
Hawaiian714.00%

Williamson County, Tennessee Veterans by Education

2.79%

Veteran Poverty Rate

19.02%

Veteran Disability Rate

Williamson County, Tennessee Employment Status

Williamson County, Tennessee Employment by Age

68.8%

Labor Force Participation

66.2%

Employment Rate

3.7%

Unemployment Rate

Williamson County, Tennessee Employment by Race

Williamson County, Tennessee Employment by Education

Population of Cities in Williamson County, Tennessee

City 2010 Census 2016 Estimated Growth Growth Rate
Franklin62594747941220019.49%
Smyrna 4035748596823920.42%
Brentwood3708442517543314.65%
Spring Hill 2905637731867529.86%
Fairview776785297629.81%
Nolensville59507580163027.39%
Thompson's Station221351942981134.70%
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