ZIP Code 78642 Demographics

Williamson County, Texas  ·  ACS 2022 5-Year Estimates

ACS 2022 Data

Population & Income Overview

Key statistics for ZIP code 78642 compared to county averages.

Total Population

20,699

↓ 96.6% vs county

Median HH Income

$117,490

↑ +14.2% vs county

Median Home Value

$454,600

↑ +22.8% vs county

Median Age

36.2 yrs

↑ 1.9% vs county

Unemployment Rate

6.2%

↓ +43.5% vs county

Income & Housing Comparison

How ZIP 78642 compares to Williamson County and Texas overall. Data from ACS 2022 5-year estimates.

Median Household Income ZIP 78642 $117k Williamson $103k Texas $73k

Source: ACS 2022 5-Year Estimates, Table B19013

Median Home Value ZIP 78642 $455k Williamson $370k Texas $238k

Source: ACS 2022 5-Year Estimates, Table B25077

Education & Employment

Bachelor's Rate

30.2%

of adults 25+ hold a bachelor's degree or higher

Owner Occupancy

85.5%

of occupied housing units are owner-occupied

Median Gross Rent

$1,415

per month including utilities

Rent vs. Buy Affordability

Compare estimated monthly costs of home ownership vs renting in ZIP Code 78642 using local Census metrics.

Median Home Value$454,600
Down Payment (20%)$90,920
Interest Rate6.5%
Loan Term

Estimated Monthly Costs

Buy (Mortgage, Tax, Ins.)
$2,887P&I: $2299 | Tax: $455 | Ins: $133
Rent (Local Median)
$1,415
Renting is CheaperRenting is estimated to save you $1,472/month compared to buying costs.

How Does 78642 Compare?

Enter another ZIP code to see a side-by-side comparison.

Location & Neighboring Areas

Interactive map showing ZIP code 78642 (blue pin) and surrounding areas (purple pins). Click pins to view details.

Nearby ZIP Codes

ZIP codes geographically closest to 78642, sorted by distance.

78605 8.3 mi away burnet county 78633 11.8 mi away williamson county 78628 12.3 mi away williamson county 76527 13.2 mi away williamson county 78608 16.5 mi away burnet county 78611 19.7 mi away burnet county

About Williamson County

Williamson County is located in Texas and has a total population of 617,396. The county's median household income is $102,851 and median home value is $370,100. ZIP code 78642 is one of many ZCTAs within this county.

View all ZIP codes in Williamson County

Data source: American Community Survey (ACS) 2022 5-Year Estimates, U.S. Census Bureau. ZCTAs (ZIP Code Tabulation Areas) are used as proxies for USPS ZIP codes. Some USPS ZIP codes may not have a corresponding ZCTA.