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zipcodes.pro — ZIP/78257

78257

ZIP 78257 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
10,992
Coordinates
29.6471, -98.5811
☼ Live from 78257 — San Antonio, TX

Weather right now

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Where 78257 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 78257
  • 🔢 Type 78257 into a pocket calculator and turn it upside down: LSZBL — not quite a word, sorry.
  • ➕ As a number, 78,257 = 139 × 563. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011000110110001
  • 🏠 Its numerical neighbours: 78256 (San Antonio, TX, 3 mi away) and 78258 (San Antonio, TX, 6 mi away).
  • 🔄 Backwards, 78257 becomes 75287 — and that is a real ZIP code: Dallas, TX, 253 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (25778, 27587, 27857, 27875, 28577, 28757, …). The farthest-flung twin is 58772 in Portal, ND, 1,351 miles away.
  • 🧭 Farther south than 94% of all ZIP codes, and farther west than 78%.
  • 🎯703 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78257 and you would come out at 29.65°S, 81.42°E — 1,483 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 03m of daylight. Shortest: 10h 14m.
  • 📏 At 28.5 square miles of land, 78257 is bigger than 45% of ZIP codes — room for about 22 Central Parks.
🌙 The sky over 78257 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population10,992This ZIP10,992
Households5,716This ZIP5,716
Housing units6,867This ZIP6,867
Median age34.0This ZIP34.0Texas35.6US 38.9
Median household income$81,301This ZIP$81,301Texas$78,476US $80,734
Median home value$670,400This ZIP$670,400Texas$283,800US $332,700
Median gross rent$1,689This ZIP$1,689Texas$1,403US $1,413
Bachelor's degree or higher59.9%This ZIP59.9%
Mean commute24.3 minThis ZIP24.3 min
Population density385.8 / sq miThis ZIP385.8 / sq mi

Business and tax activity

Business establishments648This ZIP648
Employees13,340This ZIP13,340
Annual payroll$648,990,000This ZIP$648,990,000
Tax returns filed5,810This ZIP5,810
Total adjusted gross income$1,214,194,000This ZIP$1,214,194,000

Land area

Land area28.50 sq miThis ZIP28.50 sq mi
Water area0.16 sq miThis ZIP0.16 sq mi

Other place names in 78257

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

ZIP codes near 78257

ZIPCityDistance
78256 San Antonio, TX 3.2 mi
78231 San Antonio, TX 5.1 mi
78255 San Antonio, TX 5.1 mi
78248 San Antonio, TX 5.2 mi
78258 San Antonio, TX 5.6 mi
78249 San Antonio, TX 5.9 mi
78260 San Antonio, TX 6.4 mi
78230 San Antonio, TX 7.1 mi
78232 San Antonio, TX 7.4 mi
78015 Boerne, TX 7.9 mi

Find every ZIP code within 10 miles of 78257 →

Questions about this ZIP code

Where is ZIP code 78257?

78257 is in San Antonio, Texas, in Bexar County, part of the San Antonio-New Braunfels, TX metropolitan area. Its published point location is 29.6471, -98.5811.

What county is 78257 in?

78257 lies in Bexar County.

What area code is 78257?

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

What time zone is 78257 in?

78257 uses America/Chicago.

How many people live in 78257?

About 10,992 people live in ZIP code 78257, in 5,716 households, at 385.8 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 78257?

$81,301 a year, against $78,476 across Texas.

What ZIP codes are near 78257?

The closest are 78256 (3.2 mi), 78231 (5.1 mi), 78255 (5.1 mi), 78248 (5.2 mi) and 78258 (5.6 mi).

Is 78257 a PO Box ZIP code?

78257 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78257 ZIP Code — San Antonio, Texas (Bexar County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78257

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