County

Williamson County, TN

12 ZIP codes  ·  7 cities  ·  Tennessee

👥244,218Population
💰$132,442Median HH Income▲ 74% above avg
🎂41.1Median Age
🏠$689,239Median Home Value▲ 147% above avg
🎓70.0%College Grads▲ 81% above avg
📊2.2%Unemployment▼ 54% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.2% Female 50.8% ♀

Race & Ethnicity

White: 80.8%Hispanic: 5.9%Black: 4.1%Asian: 5.5%Other: 3.2%Race
White80.8%
Hispanic5.9%
Black4.1%
Asian5.5%
Other3.2%

Age Breakdown

Under 5
5%
5–17
20%
18–24
8%
25–44
24%
45–64
28%
65+
7%

Key Indicators

Median Age41.1 yrs
Avg HH Size2.75
Below Poverty4.5% ▼ 55% below avg
College Grads70.0% ▲ 81% above avg
Unemployment2.2% ▼ 54% below avg
No HS Diploma1,850 (1.2%)
HS Graduate19,016 (12.2%)
Some College10,195 (6.5%)
Associates15,768 (10.1%)
Bachelors9,268 (5.9%)
Graduate Degree100,043 (64.1%)

Education

No HS: 1.2%HS Grad: 12.2%Some College: 6.5%Associates: 10.1%Bachelors: 5.9%Graduate: 64.1%Edu
No HS1.2%
HS Grad12.2%
Some College6.5%
Associates10.1%
Bachelors5.9%
Graduate64.1%
Housing & Income

Housing Tenure

Owner: 79.5%Renter: 20.5%Tenure
Owner79.5%
Renter20.5%

Home Value Distribution

Under $50k
2%
$50k–$100k
1%
$100k–$150k
1%
$150k–$200k
1%
$200k–$300k
5%
$300k–$500k
20%
Over $500k
71%

Financials

Median HH Income$132,442 ▲ 74% above avg
Median Home Value$689,238 ▲ 147% above avg
Home/Income Ratio5.2x (nat avg ~3.5x)
Median Rent$2,001/mo
Total Housing Units93,053
Vacant Units3,950

Income Distribution

Under $25k
6%
$25k–$50k
8%
$50k–$75k
12%
$75k–$100k
10%
$100k–$150k
20%
$150k–$200k
14%
Over $200k
30%
Employment & Commute

How People Get to Work

Drove Alone
72%
Public Transit
0%
Walked
1%
Work From Home
27%

Commute Time

Under 15 min
20%
15–30 min
37%
30–45 min
27%
Over 45 min
16%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
3%
1960s–1970s
12%
1980s–1990s
22%
2000+
64%
About Williamson County, TN

Williamson County is located in Tennessee and encompasses 12 ZIP codes spanning 7 cities and communities. The county has an estimated population of 244,218 residents. With a median age of 41.09, it is a middle-aged county.

Williamson County has a upper-middle-income economic profile. The median household income of $132,441 is significantly above the national average. Unemployment stands at 2.2%, well below the national average. The poverty rate of 4.5% is well below the national average.

Housing in Williamson County is a premium housing market, with a median home value of $689,238 — more than double the national average. Monthly median rent is approximately $2,000. Homeownership rates are high at 79.5%, reflecting a largely residential, stable population.

The residents of Williamson County are primarily White (80.84%). Educational attainment is highly educated — 70.0% of adults hold a bachelor's degree or higher, significantly above the national average.

Williamson County, TN is a upper-middle-income area in Tennessee. The 12 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Williamson County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
37014 Arrington 3,633 $104,938 $651,400 0.0% 46.7%
37027 Brentwood 61,961 $156,002 $844,500 $2,141 2.0% 77.7%
37046 College Grove 6,632 $162,712 $842,900 $3,501 1.3% 66.7%
37062 Fairview 13,165 $87,598 $344,600 $1,302 1.8% 47.1%
37064 Franklin 66,641 $121,492 $664,000 $1,810 2.9% 65.7%
37067 Franklin 31,550 $110,202 $686,200 $1,860 1.5% 72.6%
37069 Franklin 19,994 $146,336 $713,200 $2,091 1.3% 77.0%
37135 Nolensville 23,231 $146,028 $629,100 $2,217 3.2% 74.3%
37179 Thompsons Station 17,411 $124,844 $501,500 $2,054 2.9% 64.0%