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ZipNumbers

Travis County · Texas

ZIP code 78703

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 78703 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
22,484

ZCTA residents

Median income
$144,637

Household, past 12 months

Median home
$1,353,500

Owner-occupied value

Sales tax
8.25%

Combined state + local

Quick answer

ZIP 78703 sits in Travis County, Texas and is home to 22,484 people. Median household income is $144,637, the median home is worth $1,353,500 and median gross rent is $2,217. 52.5% of households own their home, and purchases are taxed at 8.25% combined.

County
Travis County

FIPS 48453

State
Texas (TX)

1,989 ZIPs covered

Area codes
512, 737

NANPA codes serving this area

Metro area
Austin

Rate jurisdiction used for tax

The numbers for 78703

American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.

Population
22,484ZIP 78703 residents
Median household income
$144,637Past 12 months, inflation adjusted
Median home value
$1,353,500Owner-occupied units
Median gross rent
$2,217Rent plus utilities, monthly
Median age
40.9 yrsAll residents
Homeownership rate
52.5%Owner-occupied households

Sales tax in 78703

What a purchase inside this ZIP costs at checkout.

Rate applied
8.25%Austin jurisdiction stack
Tax on $100
$8Rounded to the dollar
Tax on $1,000
$83Before any exemptions

This ZIP falls inside the Austin rate area, so state, county, city and district levies are published here as a full stack.

Affordability in this ZIP

Derived from the Census medians above — indicative, not an offer.

Rent burden
18%Median rent ÷ median income
Price-to-income
9.4×Home value ÷ household income
Est. mortgage
$7,023/mo20% down, 30-yr at 6.75%
Poverty rate
5.9%Residents below poverty line

A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.

How 78703 compares

ZIP 78703 against the median ZIP in Travis County and across Texas.

MeasureZIP 78703County medianState medianvs state
Median household income$144,637$102,799$68,103+112%
Median home value$1,353,500$541,850$194,900+594%
Median gross rent$2,217$1,723$1,105+101%
Population22,48425,4115,317+323%

Medians are computed across the 48 ZIP areas in Travis County and the 1989 ZIP areas in Texas.

Statewide rank

Where this ZIP places among all 1989 Texas ZIP areas.

Income

richer than 97% of 1,756 state ZIPs

#51
Home value

above 100% of 1,705 state ZIPs

#4
Population

larger than 73% of 1,989 state ZIPs

#529

Comparable ZIP codes

Texas ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
76052Tarrant County$144,812$421,200$2,124
77389Harris County$145,228$387,100$1,795
77494Fort Bend County$146,105$450,100$2,044
76262Denton County$143,093$527,400$1,752
77406Fort Bend County$143,023$383,400$1,986
78730Travis County$146,450$1,019,100$1,734

Nearby ZIP codes

Other ZIP codes filed under Travis County.

ZIP 78703 questions

Common questions about this ZIP code.

Where is ZIP code 78703?
ZIP 78703 lies mostly in Travis County, Texas. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
What sales tax do I pay in 78703?
Purchases are taxed at 8.25% combined, built from the Austin jurisdiction stack.
Is 78703 expensive to live in?
Median rent runs $2,217 a month, about 18% of median household income, and the median home is worth $1,353,500+594% against the typical Texas ZIP.
Is a ZCTA the same as a postal ZIP code?
Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.

Related pages for this area.

Sources & transparency

Every figure on this page is a published estimate for ZIP Code Tabulation Area 78703, except the affordability ratios and mortgage estimate, which we derive from those medians and label as estimates.

Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.