County

Williamson County, TX

27 ZIP codes  ·  16 cities  ·  Texas

👥663,286Population
💰$113,737Median HH Income▲ 49% above avg
🎂38.2Median Age
🏠$424,047Median Home Value▲ 52% above avg
🎓57.5%College Grads▲ 48% above avg
📊3.9%Unemployment▼ 20% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.7% Female 50.3% ♀

Race & Ethnicity

White: 55.3%Hispanic: 24.2%Black: 6.6%Asian: 9%Other: 4.1%Race
White55.3%
Hispanic24.2%
Black6.6%
Asian9.0%
Other4.1%

Age Breakdown

Under 5
6%
5–17
19%
18–24
8%
25–44
31%
45–64
24%
65+
6%

Key Indicators

Median Age38.2 yrs
Avg HH Size2.69
Below Poverty6.1% ▼ 39% below avg
College Grads57.5% ▲ 48% above avg
Unemployment3.9% ▼ 20% below avg
No HS Diploma5,512 (1.3%)
HS Graduate71,174 (16.7%)
Some College41,840 (9.8%)
Associates61,349 (14.4%)
Bachelors38,397 (9%)
Graduate Degree207,832 (48.8%)

Education

No HS: 1.3%HS Grad: 16.7%Some College: 9.8%Associates: 14.4%Bachelors: 9%Graduate: 48.8%Edu
No HS1.3%
HS Grad16.7%
Some College9.8%
Associates14.4%
Bachelors9.0%
Graduate48.8%
Housing & Income

Housing Tenure

Owner: 69%Renter: 31%Tenure
Owner69.0%
Renter31.0%

Home Value Distribution

Under $50k
2%
$50k–$100k
1%
$100k–$150k
2%
$150k–$200k
2%
$200k–$300k
18%
$300k–$500k
41%
Over $500k
34%

Financials

Median HH Income$113,737 ▲ 49% above avg
Median Home Value$424,047 ▲ 52% above avg
Home/Income Ratio3.7x (nat avg ~3.5x)
Median Rent$1,752/mo
Total Housing Units257,260
Vacant Units9,722

Income Distribution

Under $25k
8%
$25k–$50k
9%
$50k–$75k
15%
$75k–$100k
12%
$100k–$150k
22%
$150k–$200k
15%
Over $200k
20%
Employment & Commute

How People Get to Work

Drove Alone
72%
Public Transit
0%
Walked
1%
Work From Home
26%

Commute Time

Under 15 min
20%
15–30 min
35%
30–45 min
25%
Over 45 min
19%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
1%
1960s–1970s
8%
1980s–1990s
22%
2000+
69%
About Williamson County, TX

Williamson County is located in Texas and encompasses 27 ZIP codes spanning 16 cities and communities. The county has an estimated population of 663,286 residents. With a median age of 38.15, it is a middle-aged county.

Williamson County has a upper-middle-income economic profile. The median household income of $113,736 is above the national average. Unemployment stands at 3.9%, below the national average. The poverty rate of 6.1% is well below the national average.

Housing in Williamson County is a premium housing market, with a median home value of $424,047 — significantly above the national average. Monthly median rent is approximately $1,752. Homeownership rates are high at 69.0%, reflecting a largely residential, stable population.

The residents of Williamson County are majority White (55.33%). Educational attainment is well-educated — 57.5% of adults hold a bachelor's degree or higher, above the national average.

Williamson County, TX is a upper-middle-income area in Texas. The 27 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
78717 Austin 36,085 $140,483 $599,200 $1,833 3.7% 75.1%
78729 Austin 30,440 $81,589 $434,500 $1,613 3.8% 67.0%
78613 Cedar Park 89,162 $120,829 $461,900 $1,733 4.6% 63.9%
78615 Coupland 1,540 $112,805 $348,900 $817 3.3% 36.5%
76527 Florence 4,686 $83,533 $370,400 $913 2.9% 35.2%
78626 Georgetown 45,020 $94,967 $358,500 $1,752 4.5% 47.8%
78628 Georgetown 44,821 $117,198 $467,700 $1,552 4.7% 61.6%
78633 Georgetown 28,877 $99,967 $443,500 $1,836 4.1% 64.0%
76530 Granger 2,704 $102,000 $277,200 6.0% 30.4%
78634 Hutto 43,466 $111,227 $334,200 $2,024 4.1% 44.3%
76537 Jarrell 12,526 $96,067 $272,200 $1,729 4.3% 33.6%
78641 Leander 93,399 $131,421 $453,100 $1,873 3.5% 60.5%
78642 Liberty Hill 24,146 $128,086 $486,800 $1,475 3.6% 54.0%
78664 Round Rock 62,272 $85,919 $317,400 $1,645 4.3% 47.3%
78665 Round Rock 64,087 $117,240 $438,700 $1,945 3.3% 62.0%
78681 Round Rock 58,531 $136,215 $460,000 $1,848 2.6% 64.8%
76574 Taylor 19,746 $72,805 $252,000 $1,167 4.2% 29.9%
76578 Thrall 1,561 $100,500 $315,800 $1,176 5.8% 29.6%
78674 Weir 195 $95,481 $43,000 0.0% 0.0%