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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 — ZIP/78230

78230

ZIP 78230 is in San Antonio, Texas, in Bexar County; area codes 210 and 726; Central time. San Antonio has 83 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Bexar
Population
41,387
Coordinates
29.5465, -98.5572
☼ Live from 78230 — San Antonio, TX

Weather right now

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Local time: —

Where 78230 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 78230
  • 🔢 Type 78230 into a pocket calculator and turn it upside down: OEZBL — not quite a word, sorry.
  • ➕ As a number, 78,230 = 2 × 5 × 7823. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011000110010110
  • 🏠 Its numerical neighbours: 78229 (San Antonio, TX, 3 mi away) and 78231 (San Antonio, TX, 3 mi away).
  • 🔄 Backwards, 78230 becomes 03287 — and that is a real ZIP code: Wilmot, NH, 1,752 miles away.
  • 👥 61 other ZIP codes are made of exactly the same digits (02738, 02783, 02837, 02873, 03278, 03287, …). The farthest-flung twin is 03872 in Sanbornville, NH, 1,795 miles away.
  • 🧭 Farther south than 94% of all ZIP codes, and farther west than 78%.
  • 🎯710 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78230 and you would come out at 29.55°S, 81.44°E — 1,490 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 02m of daylight. Shortest: 10h 15m.
  • 📏 At 10.5 square miles of land, 78230 is bigger than 28% of ZIP codes — room for about 8.0 Central Parks.
🌙 The sky over 78230 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population41,387This ZIP41,387
Households19,134This ZIP19,134
Housing units21,269This ZIP21,269
Median age40.0This ZIP40.0Texas35.6US 38.9
Median household income$73,529This ZIP$73,529Texas$78,476US $80,734
Median home value$386,600This ZIP$386,600Texas$283,800US $332,700
Median gross rent$1,363This ZIP$1,363Texas$1,403US $1,413
Bachelor's degree or higher50.4%This ZIP50.4%
Mean commute22.5 minThis ZIP22.5 min
Population density3,944.2 / sq miThis ZIP3,944.2 / sq mi

Business and tax activity

Business establishments1,459This ZIP1,459
Employees25,818This ZIP25,818
Annual payroll$1,467,330,000This ZIP$1,467,330,000
Tax returns filed20,250This ZIP20,250
Total adjusted gross income$2,167,242,000This ZIP$2,167,242,000

Land area

Land area10.49 sq miThis ZIP10.49 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 78230

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 78230

ZIPCityDistance
78231 San Antonio, TX 2.5 mi
78213 San Antonio, TX 2.9 mi
78229 San Antonio, TX 3.1 mi
78240 San Antonio, TX 3.2 mi
78248 San Antonio, TX 3.6 mi
78249 San Antonio, TX 3.8 mi
78216 San Antonio, TX 4.0 mi
78201 San Antonio, TX 5.7 mi
78232 San Antonio, TX 5.7 mi
78228 San Antonio, TX 6.0 mi

Find every ZIP code within 10 miles of 78230 →

Questions about this ZIP code

Where is ZIP code 78230?

78230 is in San Antonio, Texas, in Bexar County, part of the San Antonio-New Braunfels, TX metropolitan area. Its published point location is 29.5465, -98.5572.

What county is 78230 in?

78230 lies in Bexar County.

What area code is 78230?

San Antonio uses area codes 210 and 726, from NANPA's telephone records.

What time zone is 78230 in?

78230 uses America/Chicago.

How many people live in 78230?

About 41,387 people live in ZIP code 78230, in 19,134 households, at 3,944.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 78230?

$73,529 a year, against $78,476 across Texas.

What ZIP codes are near 78230?

The closest are 78231 (2.5 mi), 78213 (2.9 mi), 78229 (3.1 mi), 78240 (3.2 mi) and 78248 (3.6 mi).

Is 78230 a PO Box ZIP code?

78230 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78230 ZIP Code — San Antonio, Texas (Bexar County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78230

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