PlainZIP

Liberty Hill, TX · standard

ZIP Code 78642

Williamson County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

9,467
37/sq mi
$132,958
Median income
$506,600
Median home value
44.5%
Bachelor's or higher

The verdict

Liberty Hill pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 6%
household income, US ZIPs
Top 13%
home value, US ZIPs
37
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78642 against every reporting US ZIP.

ZIP code 78642 is a mid-sized community (a standard USPS delivery area) in Liberty Hill, Williamson County, Texas, home to 9,467 residents across 259.4 square miles, a density of 37 people per square mile, in the Chicago time zone.

ZIP 78642 skews affluent, with a median household income of $132,958 (76% above the Texas average), while per-capita income is $51,464. Poverty here runs at 3.3%, with unemployment measured at 4.6%. Housing costs here run $506,600 for a typical home value (105% above the state average), with rent averaging $1,658 a month; 82.9% of homes are owner-occupied.

A solid share of residents have a four-year degree: 44.5% of adults hold a bachelor's degree or higher, the median age is 36.9, and the average commute is 35 minutes. A geography-based comparison follows: 3 ZIP codes within about 10 miles of 78642, plus 6 more within Williamson County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 78642

Top 5 sectors by establishment count in Liberty Hill, TX

Which industries have the most business establishments in ZIP 78642.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78642, Liberty Hill, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

9,467

Population

259.4

Area (sq mi)

37

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 78642?

36.9

Median Age

48.2%

Male

51.8%

Female

11.3%

Foreign-Born

White 72.8%
African American 2.0%
Asian 4.6%
American Indian or Alaska Native 0.4%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 14.4%
Hispanic or Latino 28.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$132,958

Median Household Income

+76% vs state

$51,464

Per Capita Income

3.3%

Poverty Rate

4.6%

Unemployment Rate

35.0 min

Mean Commute Time

How ZIP 78642 ranks nationally

Liberty Hill, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$132,958 Top 6% higher than 94% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 65.3%
Bachelor's Degree or Higher 44.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

8,963

Total Housing Units

8,696

Occupied Units

267

Vacant Units

3.03

Avg Household Size

Occupancy Type

Owner 82.9%
Renter 17.1%

$506,600

Median Home Value

+105% vs state

$1,658

Median Rent

2014

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

-6.2%

YoY Change (2024)

340

HPI Index (2000 = 100)

+240%

Total Change Since 2000

Home values in ZIP 78642 have decreased 6.2% over the past year (2024). Since 2000, this ZIP has seen +240% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.9% 221
2021 +24.3% 274
2022 +23.9% 340
2023 +6.7% 363
2024 -6.2% 340

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 635 business establishments in ZIP 78642, employing approximately 4,135 people with a combined annual payroll of $217,606,000.

635

Businesses

4,135

Employees

$217.6M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Construction 155 24.4%
Professional, scientific, and technical services 80 12.6%
Retail trade 60 9.4%
Accommodation and food services 53 8.3%
Other services (except public administration) 53 8.3%
Real estate and rental and leasing 45 7.1%
Health care and social assistance 40 6.3%
Administrative and support and waste management and remediation services 34 5.3%
Manufacturing 23 3.6%
Finance and insurance 23 3.6%
Transportation and warehousing 21 3.3%
Wholesale trade 20 3.1%
Arts, entertainment, and recreation 9 1.4%
Information 7 1.1%
Educational services 6 0.9%
Utilities 3 0.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 78642 vs 78641 →

ZIP 78642 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 78642 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 78642 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 78642 ranks #2 of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
78641 Leander, TX 44,295 9.6 mi
78605 Bertram, TX 4,952 8.3 mi
76527 Florence, TX 4,058 13.2 mi

More ZIP Codes in Williamson County

78613 standard
Cedar Park, TX
Pop: 65,099
78664 standard
Round Rock, TX
Pop: 52,932
78681 standard
Round Rock, TX
Pop: 50,606
78641 standard
Leander, TX
Pop: 44,295
78665 standard
Round Rock, TX
Pop: 35,985
78729 standard
Austin, TX
Pop: 27,108

Related Areas

Williamson County Liberty Hill, TX Texas

Frequently Asked Questions

What county is ZIP code 78642 in? ▼
ZIP code 78642 (Liberty Hill) is located in Williamson County, Texas. Williamson County contains multiple ZIP codes, see the full list at /counties/williamson-tx.
What is the population of ZIP code 78642? ▼
ZIP code 78642 in Liberty Hill, TX has a population of 9,467 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78642? ▼
The median household income in ZIP 78642 is $132,958, which is 74% above the national average of $76,288.
What is the average home value in ZIP 78642? ▼
The median home value in ZIP 78642 is $506,600, which is 82% above the national average of $278,155.
What is the demographic makeup of ZIP 78642? ▼
The largest racial group in ZIP 78642 is White at 72.8%. Hispanic or Latino residents make up 28.2% of the population.
How many businesses are in ZIP code 78642? ▼
ZIP code 78642 has 635 business establishments employing approximately 4,135 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78642? ▼
The top industries by establishment count in ZIP 78642 are: Construction (155), Professional, scientific, and technical services (80), Retail trade (60). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 78642? ▼
According to the FHFA House Price Index, home values in ZIP 78642 decreased by 6.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 240%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 78642? ▼
In ZIP code 78642, 65.3% of residents aged 25+ have a high school diploma or higher, and 44.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 78642? ▼
The mean commute time for workers in ZIP code 78642 is 35.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 78642? ▼
In ZIP code 78642, approximately 82.9% of occupied housing units are owner-occupied and 17.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78642? ▼
The poverty rate in ZIP code 78642 is 3.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.