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zipcodes.pro — ZIP/78251

78251

ZIP 78251 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
59,435
Coordinates
29.4617, -98.6767
☼ Live from 78251 — San Antonio, TX

Weather right now

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Local time: —

Where 78251 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 78251
  • 🔢 Type 78251 into a pocket calculator and turn it upside down: ISZBL — not quite a word, sorry.
  • ➕ As a number, 78,251 = 17 × 4603. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011000110101011
  • 🏠 Its numerical neighbours: 78250 (San Antonio, TX, 3 mi away) and 78252 (San Antonio, TX, 9 mi away).
  • 🔄 Backwards, 78251 becomes 15287, which is not a ZIP code at all.
  • 👥 48 other ZIP codes are made of exactly the same digits (12578, 12758, 12785, 12857, 15278, 15728, …). The farthest-flung twin is 12857 in Olmstedville, NY, 1,682 miles away.
  • 🧭 Farther south than 95% of all ZIP codes, and farther west than 78%.
  • 🎯716 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78251 and you would come out at 29.46°S, 81.32°E — 1,493 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 15.0 square miles of land, 78251 is bigger than 33% of ZIP codes — room for about 11 Central Parks.
🌙 The sky over 78251 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population59,435This ZIP59,435
Households22,275This ZIP22,275
Housing units23,491This ZIP23,491
Median age33.2This ZIP33.2Texas35.6US 38.9
Median household income$78,958This ZIP$78,958Texas$78,476US $80,734
Median home value$268,300This ZIP$268,300Texas$283,800US $332,700
Median gross rent$1,413This ZIP$1,413Texas$1,403US $1,413
Bachelor's degree or higher33.8%This ZIP33.8%
Mean commute24.5 minThis ZIP24.5 min
Population density3,966.8 / sq miThis ZIP3,966.8 / sq mi

Business and tax activity

Business establishments968This ZIP968
Employees30,862This ZIP30,862
Annual payroll$1,660,711,000This ZIP$1,660,711,000
Tax returns filed26,810This ZIP26,810
Total adjusted gross income$1,562,570,000This ZIP$1,562,570,000

Land area

Land area14.98 sq miThis ZIP14.98 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 78251

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

ZIP codes near 78251

ZIPCityDistance
78250 San Antonio, TX 2.9 mi
78238 San Antonio, TX 3.6 mi
78227 San Antonio, TX 5.4 mi
78254 San Antonio, TX 5.6 mi
78245 San Antonio, TX 6.1 mi
78236 Jbsa Lackland, TX 6.2 mi
78240 San Antonio, TX 6.2 mi
78228 San Antonio, TX 6.3 mi
78253 San Antonio, TX 6.7 mi
78229 San Antonio, TX 6.7 mi

Find every ZIP code within 10 miles of 78251 →

Questions about this ZIP code

Where is ZIP code 78251?

78251 is in San Antonio, Texas, in Bexar County, part of the San Antonio-New Braunfels, TX metropolitan area. Its published point location is 29.4617, -98.6767.

What county is 78251 in?

78251 lies in Bexar County.

What area code is 78251?

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

What time zone is 78251 in?

78251 uses America/Chicago.

How many people live in 78251?

About 59,435 people live in ZIP code 78251, in 22,275 households, at 3,966.8 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 78251?

$78,958 a year, against $78,476 across Texas.

What ZIP codes are near 78251?

The closest are 78250 (2.9 mi), 78238 (3.6 mi), 78227 (5.4 mi), 78254 (5.6 mi) and 78245 (6.1 mi).

Is 78251 a PO Box ZIP code?

78251 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78251 ZIP Code — San Antonio, Texas (Bexar County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78251

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