Postal Codes

78642 ZIP Code

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ZIP code 78642 covers Liberty Hill, Texas, with a population of about 24,146 and a median household income of $128,086.

Population
24,146217 per square mile
Median age
36.81.9 points below the US average
Median household income
$128,0861.7× the Texas median
Poverty rate
3.3%9.1 points below the US average
Typical home value
$495,393down 4.2% in five years
Median rent
$1,4751.1× the Texas median
Degree or higher
43%8 points above the US average
Homeownership
86.1%21.1 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
580

Where 78642 is

Liberty Hill, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population24,146
Median age36.8
Family households81%
Born outside the US9.1%
Speaks a language other than English at home19.2%
White (non-Hispanic)65.4%
Black (non-Hispanic)1.7%
Asian (non-Hispanic)2.3%
Hispanic or Latino27%
Veterans9.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$128,086
Income per person$50,051
Poverty rate3.3%
Households on SNAP or cash assistance2.6%

Household income distribution

Under $10k1.7%
$10–15k1.5%
$15–20k1.1%
$20–25k0.7%
$25–30k1.4%
$30–35k1.1%
$35–40k0.8%
$40–45k2.0%
$45–50k3.6%
$50–60k3.5%
$60–75k6.9%
$75–100k11.8%
$100–125k13.4%
$125–150k9.6%
$150–200k17.2%
$200k or more23.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed13,250
Mean adjusted gross income$138,219
Returns declaring $200,000 or more18.6%
Returns, under $25k17.9%
Returns, $25k–$50k14.8%
Returns, $50k–$75k11.7%
Returns, $75k–$100k9.7%
Returns, $100k–$200k27.3%
Returns, $200k or more18.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$486,800
Median gross rent$1,475
Rent as a share of household income18.4%
Owner-occupied86.1%
Vacant homes5%
Median year built2013

What the homes are

Detached house79.8%
Attached house1.9%
2 to 4 units2.9%
5 to 19 units0.6%
20 or more units0.8%
Mobile home11.4%
Boat, RV or van2.6%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$495,393as of 2026-07
Typical home value, 1 yeardown 7%
Typical home value, 5 yearsdown 4.2%
Typical home value, 10 yearsup 58.2%
Typical asking rent$2,257as of 2026-07
Typical asking rent, 1 yeardown 0.7%
Typical home value since 2000
200820172026$650,247$221,430

$227,294 in 2008 to $495,393 in 2026.

Typical asking rent
202220242026$2,365$2,257

$2,365 in 2022 to $2,257 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.6%
Bachelor's degree or higher43%
High school diploma or higher90.2%
Works from home25.1%
Drives to work alone63.3%
Takes public transport0.7%
Commutes 45 minutes or more34.3%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity33.4% same as the national average of 33.4%
Diagnosed diabetes9.3% 2.7 pts below the national average of 12%
Currently smokes10.9% 2.3 pts below the national average of 13.2%
High blood pressure29.5% 4.6 pts below the national average of 34.1%
Fair or poor general health15.7% 4.6 pts below the national average of 20.3%
No health insurance (18–64)10.7% 0.6 pts below the national average of 11.3%
Depression22.9% 1 pts above the national average of 21.9%
No leisure-time physical activity21.1% 4.3 pts below the national average of 25.4%
Arthritis21.4% 3.7 pts below the national average of 25.1%
Binge drinking18.3% 2.3 pts above the national average of 16%
Taking blood pressure medication73.2% 1.5 pts below the national average of 74.7%
Cancer (non-skin)7.4% same as the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease4.7% 1.5 pts below the national average of 6.2%
Routine check-up in past year75.2% 1.5 pts below the national average of 76.7%
Cholesterol screening88% 2.1 pts above the national average of 85.9%
Cognitive disability12.6% 2.2 pts below the national average of 14.8%
Colorectal screening65.5% 1.2 pts above the national average of 64.3%
COPD4.9% 1.7 pts below the national average of 6.6%
Visited a dentist64.9% 3.6 pts above the national average of 61.3%
Any disability25.6% 5.1 pts below the national average of 30.7%
Hearing disability5.4% 1.3 pts below the national average of 6.7%
High cholesterol33.6% 2.6 pts below the national average of 36.2%
Independent living disability6.3% 2.1 pts below the national average of 8.4%
Mammography use77.6% 1.7 pts above the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability10.4% 3.6 pts below the national average of 14%
Poor physical health (14+ days)11.1% 2.4 pts below the national average of 13.5%
Self-care disability2.7% 1.3 pts below the national average of 4%
Sleeps under 7 hours32.9% 3.5 pts below the national average of 36.4%
Stroke2.5% 0.9 pts below the national average of 3.4%
All natural teeth lost7.7% 5.3 pts below the national average of 13%
Vision disability3.6% 2 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments580
People employed4,107
Annual payroll$196,118,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 33.5% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 7 census tracts this ZIP code covers
Expected annual loss43.1 out of 100
Community resilience77.4 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Wildfire92.9Relatively Moderate at its worst in this ZIP code
Hail89Relatively High at its worst in this ZIP code
Winter weather79.1Relatively High at its worst in this ZIP code
Cold wave72Relatively High at its worst in this ZIP code
Tornado66.2Relatively High at its worst in this ZIP code
Landslide55.9Very Low at its worst in this ZIP code
Lightning48.4Relatively Moderate at its worst in this ZIP code
Hurricane47Relatively Low at its worst in this ZIP code
Drought45.3Relatively Low at its worst in this ZIP code
Heat wave45.2Relatively Moderate at its worst in this ZIP code
River flooding41.1Relatively Moderate at its worst in this ZIP code
Ice storm34.1Relatively Low at its worst in this ZIP code
Strong wind32.4Relatively Moderate at its worst in this ZIP code
Earthquake6.5Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$128,086$76,292$78,538
Income per person$50,051$39,446$43,289
Poverty rate3.3%13.8%12.4%
Median home value$486,800$260,400$303,400
Median gross rent$1,475$1,339$1,348
Homeownership86.1%62.6%65%
Bachelor's degree or higher43%33.1%35%
Unemployment rate3.6%5.1%5.2%
Works from home25.1%12.8%13.5%
Born outside the US9.1%17.2%13.9%
Median age36.835.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationAUSTIN 33 NW, TX US15.3 km away
Rain in a year33 in

Average high and low by month

January60.3°F / 40.2°F1.85 in rain
February63.4°F / 42.5°F2.08 in rain
March70.7°F / 49.7°F2.67 in rain
April77.8°F / 56.5°F2.9 in rain
May83.9°F / 64°F4.02 in rain
June90.5°F / 70.8°F2.8 in rain
July94.2°F / 72.5°F2.01 in rain
August95.3°F / 72.5°F2.89 in rain
September87.9°F / 67.5°F3.19 in rain
October79°F / 59.7°F3.51 in rain
November68°F / 49.2°F2.85 in rain
December60.8°F / 41°F2.26 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Liberty Hill Independent School District80.8% of this ZIP code's land area
Burnet Consolidated Independent School District12.5% of this ZIP code's land area
Florence Independent School District4.6% of this ZIP code's land area
Georgetown Independent School District1.4% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability36more vulnerable than 36% of US census tracts
Socioeconomic status31more vulnerable than 31% of US census tracts
Household characteristics41more vulnerable than 41% of US census tracts
Racial and ethnic minority status43more vulnerable than 43% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability5.4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

78641 Leander, TX11.3 km away
78646 Leander, TX12 km away
78605 Bertram, TX14.5 km away
78628 Georgetown, TX17.4 km away
78633 Georgetown, TX18 km away
78613 Cedar Park, TX20.5 km away
78630 Cedar Park, TX20.5 km away
76527 Florence, TX21.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Williamson County92% of this ZIP code's land area
Burnet County8% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area111.13 sq mi
Water area0.56 sq mi
Population density217 people per sq mi
Latitude, longitude30.6630, -97.9316

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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