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Williamson County, Tennessee

Williamson County, Tennessee · ZIP 37014, 37027, 37046

  • Census data · ACS 2019-2023
  • 269,136 (2024 estimate)Population
  • 90,716Households
  • $131,202Median household income
  • $673,700Median home value
  • 5Towns with a page
  • 13ZIP codes

Williamson County in numbersOfficial sources, refreshed yearly

Population, 2000 to 2020+95.6%
100k150k200k250k2000: 126,63820002010: 183,18220102020: 247,7262020126,638247,726
Population of Williamson County at each census
CensusPopulation
2000126,638
2010183,182
2020247,726

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, county level, state 47, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 47, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 47, retrieved November 14, 2026.

Household income in Williamson County
Under $50k16.2%
$50k to $100k21.5%
$100k to $150k19.1%
$150k to $200k14.2%
$200k and over29.2%

Median household income $131,202 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 47, retrieved November 14, 2026.

Housing tenure in Williamson County
Owner occupied
72,370 units
Renter occupied
18,346 units
Vacancy rate
3.9%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, county level, state 47, retrieved November 14, 2026.

Jobs by sector in Williamson County2023
Health care and social assistance26,342
Management of companies and enterprises18,357
Retail trade15,455
Finance and insurance14,730
Accommodation and food services14,102
Professional, scientific, and technical services12,710
Administrative and support and waste management and remediation services10,947
Construction7,606

149,544 employees in 8,707 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.

Source: County Business Patterns 2023: employment by sector, county level, state 47, retrieved November 14, 2026.

Williamson County compared with its state
Williamson County compared with its state, American Community Survey 2019-2023
MeasureWilliamson CountyTennessee
Population254,6096,986,082
Median household income$131,202$67,097
Median age40.338.9
Median home value$673,700$256,800
Bachelor’s degree or higher61.8%30.4%
Foreign-born residents8.2%5.9%
Owner-occupied homes79.8%67.0%
Mean commute to work28.0 minutes25.7 minutes

Source: American Community Survey 5-year data profile 2019–2023, county level, state 47, retrieved November 14, 2026.

Townships, towns and villages in Williamson County5 with a page · sort by any column

Type
FranklinCity89,14244.5 sq mi
BrentwoodCity45,52542.2 sq mi
NolensvilleTown15,80910.5 sq mi
FairviewCity10,53518.0 sq mi
Thompson's StationTown9,08123.9 sq mi

Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 47 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.

County officialsFrom public records

No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.

Across Williamson County

Jobs across Williamson County

No job is posted in Williamson County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.

Events in the next 31 days

No upcoming event is listed in Williamson County's towns yet. Members and businesses add events from any town page.

Latest postsRolled up from the towns

Nothing has been posted in Williamson County’s towns yet. Join a town to start its feed.

Neighboring counties

Neighboring counties

Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 47, retrieved November 14, 2026.