Checked
ZIP Code 78642
Liberty Hill, TX, Williamson County
Population
26,434
Land area
111.1sq mi
People per sq mi
238
City
Liberty Hill
ZIP 78642 and nearby ZIP codes
ZIP 78642 at a glance
- ZIP 78642 (Liberty Hill) is about 2.1 times as dense as Texas as a whole.
- Households here earn a median of $132,958 a year, 69% more than the Texas figure of $78,476.
- A typical owner-occupied home is valued at $506,600 (79% above Texas) and median rent is $1,658 a month.
Local data for ZIP 78642
Counts from official public data
Housing and community stats
ZIP 78642, American Community Survey 2020-2024
Median household income
$132,958
Poverty rate
3.3%
Median home value
$506,600
Prices +0.8% in a year
Median rent
$1,658/mo
Homeownership
82.9%
Bachelor's or higher
44.5%
Median age
36.9
Average commute
35.0 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
635
ZIP Business Patterns 2023
Employees
4,135
$218M annual payroll
PPP loans
$27.7M
515 loans
Campaign donations
$1.2M
2% D, 44% R, 2026 cycle
Environment and hazard risk
ZIP 78642, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: hail
Storm events since 1996
876
Countywide, mostly hail
Flood insurance policies
1,949
1.1% of homes, county
July high / Jan low
94° / 40°F
33.0 inches of rain a year
Health statistics
Share of adults in ZIP 78642, CDC PLACES estimates
Obesity
33.4%
U.S. 33.3% about the same
Diabetes
9.3%
U.S. 12.1% -2.8 pts
Smoking
10.9%
U.S. 12.8% -1.9 pts
Uninsured (18-64)
10.7%
U.S. 11.1% about the same
Frequently asked questions
- What city is ZIP code 78642?
- ZIP code 78642 is in Liberty Hill, TX (Williamson County).
- What county is ZIP code 78642 in?
- ZIP code 78642 is mostly in Williamson County, Texas.
- How many people live in ZIP code 78642?
- About 26,434 people live in the 78642 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.