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zipcodes.pro — ZIP/78656

78656

ZIP 78656 is Maxwell, Texas, mostly in Caldwell County; area codes 737 and 512; Central time.

Type
Standard
Time zone
America/Chicago
County
Caldwell +1 more
Population
2,847
Coordinates
29.9045, -97.8073
☼ Live from 78656 — Maxwell, TX

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Local time: —

Where 78656 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 78656
  • 🔢 Type 78656 into a pocket calculator and turn it upside down: gSgBL — not quite a word, sorry.
  • ➕ As a number, 78,656 = 2 × 2 × 2 × 2 × 2 × 2 × 1229. Its digits add up to 32, a total 644 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001101000000
  • 🏠 Its numerical neighbours: 78655 (Martindale, TX, 6 mi away) and 78657 (Horseshoe Bay, TX, 55 mi away).
  • 🔄 Backwards, 78656 becomes 65687, which is not a ZIP code at all.
  • 👥 19 other ZIP codes are made of exactly the same digits (56678, 56687, 65768, 65786, 66758, 66857, …). The farthest-flung twin is 56687 in Wilton, MN, 1,225 miles away.
  • 🧭 Farther south than 93% of all ZIP codes, and farther west than 76%.
  • 🎯687 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78656 and you would come out at 29.90°S, 82.19°E — 1,483 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 04m of daylight. Shortest: 10h 13m.
  • 📏 At 28.5 square miles of land, 78656 is bigger than 45% of ZIP codes — room for about 22 Central Parks.
🌙 The sky over 78656 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,847This ZIP2,847
Households976This ZIP976
Housing units987This ZIP987
Median age32.5This ZIP32.5Texas35.6US 38.9
Median household income$81,346This ZIP$81,346Texas$78,476US $80,734
Median home value$238,100This ZIP$238,100Texas$283,800US $332,700
Median gross rent$1,629This ZIP$1,629Texas$1,403US $1,413
Bachelor's degree or higher23.9%This ZIP23.9%
Mean commute27.9 minThis ZIP27.9 min
Population density100.0 / sq miThis ZIP100.0 / sq mi

Business and tax activity

Business establishments39This ZIP39
Employees368This ZIP368
Annual payroll$18,346,000This ZIP$18,346,000
Tax returns filed1,890This ZIP1,890
Total adjusted gross income$108,727,000This ZIP$108,727,000

Land area

Land area28.46 sq miThis ZIP28.46 sq mi
Water area0.05 sq miThis ZIP0.05 sq mi

Counties 78656 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Caldwell County 97.0%
Hays County 3.0%

Other place names in 78656

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

ZIP codes near 78656

ZIPCityDistance
78640 Kyle, TX 6.3 mi
78655 Martindale, TX 6.3 mi
78644 Lockhart, TX 8.3 mi
78622 Fentress, TX 8.6 mi
78670 Staples, TX 10.0 mi
78666 San Marcos, TX 10.7 mi
78610 Buda, TX 12.3 mi
78661 Prairie Lea, TX 12.9 mi
78616 Dale, TX 15.3 mi
78667 San Marcos, TX 15.7 mi

Find every ZIP code within 10 miles of 78656 →

Questions about this ZIP code

Where is ZIP code 78656?

78656 is in Maxwell, Texas, in Caldwell County, part of the Austin-Round Rock-San Marcos, TX metropolitan area. Its published point location is 29.9045, -97.8073.

What county is 78656 in?

78656 spans 2 counties: Caldwell County and Hays County. Most of it falls in Caldwell County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 78656?

Maxwell uses area codes 737 and 512, from NANPA's telephone records.

What time zone is 78656 in?

78656 uses America/Chicago.

How many people live in 78656?

About 2,847 people live in ZIP code 78656, in 976 households, at 100.0 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 78656?

$81,346 a year, against $78,476 across Texas.

What ZIP codes are near 78656?

The closest are 78640 (6.3 mi), 78655 (6.3 mi), 78644 (8.3 mi), 78622 (8.6 mi) and 78670 (10 mi).

Is 78656 a PO Box ZIP code?

78656 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78656 ZIP Code — Maxwell, Texas (Caldwell County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78656

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