Williamson County

Williamson County, Tennessee

At a Glance

Population	247,726
County Seat	Williamson County Judicial Center
State FIPS	47
County FIPS	187
Num Towns	5
Census-Designated Places	0
Total Town Population	159,498
Census Source	Census ACS 5-Year 2022

People & Demographics

Population (official)	248,897
Median Age	40.0
Veterans	10,029
Housing Units	91,828
Uninsured	1,676
Net Migration (recent)	8,667
Growing	Yes

Economy & Employment

Total Establishments	8,449
Total Employees	145,477
Avg Annual Pay	$87,286
Median Household Income	$125,943
Poverty Rate	4.2%
Unemployment Rate	2.1%
Avg AGI per Return (IRS)	$196,327
Federal Spending FY2024	$1,589,609,906
Federal Spending Per Capita	$6,417

Housing & Cost of Living

Median Home Value	$611,100
Median Rent	$1,817
FMR Studio	$1,589
FMR 1BR	$1,650
FMR 2BR	$1,827
FMR 3BR	$2,308
FMR 4BR	$2,840

Health & Safety

Hospitals	10
EMS Stations	15
Fire Stations	15
Police Stations	15
Adult Smoking	11.2%
Adult Obesity	27.6%
Overdose Deaths Rate/100k	19.6
Air Quality Good Days	200

Infrastructure

Electricity Price (¢/kWh)	12.42
Electric Customers	3166103
Towns with Broadband Data	5
Towns with 90%+ Coverage	5

Community

Churches	237
Libraries	6
Historic Places (NRHP)	139
Homeless Population	N/A
Schools	51
SNAP Stores	99
Bank Branches	113

Agriculture

Total Farms	1,029
Land in Farms (acres)	1,792
Avg Farm Size (acres)	1.7
Year	2,022

Recent Federal Disaster Declarations (15)

Type	Title	Date
DR	SEVERE WINTER STORM	2026-02-06
EM	SEVERE WINTER STORM	2026-01-24
EM	SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING	2025-04-02
DR	SEVERE STORMS, TORNADOES, AND FLOODING	2021-05-08
DR	COVID-19 PANDEMIC	2020-04-02
EM	COVID-19	2020-03-13
DR	SEVERE STORMS, FLOODING, STRAIGHT-LINE WINDS, AND TORNADOES	2010-05-04
DR	SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING	2008-02-07
EM	HURRICANE KATRINA EVACUATION	2005-09-05
DR	SEVERE STORMS, TORNADOES, AND FLOODING	2003-05-08

Detailed Topics

Communities in Williamson County

Franklin — pop 83,454
Brentwood — pop 45,373
Nolensville — pop 13,829
Fairview — pop 9,357
Thompson's Station — pop 7,485

Data sources: Census ACS, BLS QCEW, IRS SOI, USAspending.gov, County Health Rankings, EPA AQI, HUD FMR, NCES, FEMA, National Register of Historic Places, CDC, EIA.