Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/TX/CASTLE-HILLS

Castle Hills ZIP codes, Texas

No ZIP code is named for Castle Hills, TX; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 78213 and 78216.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
3,943
State
Texas

Castle Hills in numbers

About 3,943 people live in Castle Hills, in 1,491 households. The median household income is $95,391 a year, 22% above the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $419,400 (48% above the Texas median), and median gross rent is $1,650 a month. The median age is 41.4; 49.2% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 19 minutes.

Population3,943Castle Hills3,943
Households1,491Castle Hills1,491
Median age41.4Castle Hills41.4Texas35.6US 38.9
Median household income$95,391Castle Hills$95,391Texas$78,476US $80,734
Median home value$419,400Castle Hills$419,400Texas$283,800US $332,700
Median gross rent$1,650Castle Hills$1,650Texas$1,403US $1,413
Bachelor's degree or higher49.2%Castle Hills49.2%Texas33.8%US 35.7%
Mean commute18.9 minCastle Hills18.9 minTexas26.7 minUS 26.4 min
Population density1,597 / sq miCastle Hills1,597 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Castle Hills city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Castle Hills

These ZIP codes cover part of Castle Hills but are addressed as somewhere else.

ZIP codes overlapping Castle Hills
ZIP City Type Population Median income Median home
78213 San Antonio , TX Standard 40,526 $55,884 $216,400
78216 San Antonio , TX Standard 41,180 $59,110 $310,700

Map of Castle Hills ZIP codes

The ZIP codes of Castle Hills, TX, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Castle Hills

The nearest larger towns are Alamo Heights (7,492 people, 4.2 mi), San Antonio (1,479,835 people, 4.3 mi) and Terrell Hills (5,070 people, 5.4 mi).

Towns near Castle Hills
TownPopulationDistance
Balcones Heights 2,715 3.0 mi
Alamo Heights 7,492 4.2 mi
San Antonio 1,479,835 4.3 mi
Shavano Park 3,670 4.7 mi
Terrell Hills 5,070 5.4 mi
Hollywood Park 3,143 5.5 mi
Leon Valley 11,446 6.1 mi
Windcrest 5,820 8.3 mi
Kirby 8,117 9.1 mi
Helotes 9,630 10.4 mi
Live Oak 15,984 11.0 mi
Lackland AFB 6,785 11.2 mi
Cross Mountain 3,752 12.3 mi
Timberwood Park 35,413 12.3 mi

More nearby: every ZIP code in Bexar County · Texas ZIP codes

Cite this page

zipcodes.pro. “Castle Hills, TX ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tx/castle-hills

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