Williamson County (Tennessee)

Williamson County is a county located in the state of Tennessee in the United States. The administrative headquarters ( County Seat) is Franklin.


The County lies to the west of the geographic center of Tennessee and has an area of 1512 square kilometers, of which 2 square kilometers is water area. It is bordered clockwise to the following counties: Davidson County, Rutherford County, Marshall County, Maury County, Hickman County, Dickson County and Cheatham County.


Williamson County was formed on October 26, 1799 from parts of Davidson County. It was named after Hugh Williamson, an American politician, member of the Continental Congress and signer of the Constitution of the United States.

Demographic data


According to the census in 2000 lived in Williamson County 126 638 people in 44 725 households, and 35,780 families. The population density was 84 people per square kilometer. The racial the population was made ​​up of 91.55 percent White, 5.18 percent African American, 0.20 percent Native American, 1.25 percent Asian, 0.03 percent of residents from the Pacific Islander and 0.97 percent from other races groups; 0.82 percent were descended from two or more races. 2.52 percent of the population were Hispanic or Latino of any race.

Of the 44 725 households out of which 43.0 percent have children under the age of 18 living with them. 69.8 percent were married couples living together, 7.8 percent were single mothers and 20.0 percent were non-families. 16.6 percent of all households and 4.5 percent lived in persons aged 65 years or older. The average household size was 2.81 and the average household size was 3.18 people.

29.5 percent of the population were under 18 years old, 6.2 percent between 18 to 24, 31.6 percent between 25 and 44, 24.9 percent between 45 and 64 and 7.7 percent were older than 65, the average age was 36 years. For every 100 females there were 97.0 males statistically every 100 females age 18 and over, there were 93.7 males.

The median income for a household was $ 69,104, and the median income for a family was $ 78,315. Males have a median income of $ 56,647, women $ 32,243. The per capita income was $ 32,496. 3.5 percent of families and 4.7 percent of the population lived below the poverty line.