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zipcodes.pro — ZIP/78628

78628

ZIP 78628 is in Georgetown, Texas, in Williamson County; area codes 512 and 737; Central time. Georgetown has 4 ZIP codes; the others are 78626, 78627 and 78633.

Type
Standard
Time zone
America/Chicago
County
Williamson
Population
50,822
Coordinates
30.6645, -97.7786
☼ Live from 78628 — Georgetown, TX

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Where 78628 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 78628
  • 🔢 Type 78628 into a pocket calculator and turn it upside down: BZgBL — not quite a word, sorry.
  • ➕ As a number, 78,628 = 2 × 2 × 11 × 1787. Its digits add up to 31, a total 799 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001100100100
  • 🏠 Its numerical neighbours: 78627 (Georgetown, TX, 6 mi away) and 78629 (Gonzales, TX, 84 mi away).
  • 🔄 Backwards, 78628 becomes 82687, which is not a ZIP code at all.
  • 👥 17 other ZIP codes are made of exactly the same digits (27868, 27886, 28678, 28687, 28768, 28786, …). The farthest-flung twin is 27886 in Tarboro, NC, 1,223 miles away.
  • 🧭 Farther south than 91% of all ZIP codes, and farther west than 76%.
  • 🎯635 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78628 and you would come out at 30.66°S, 82.22°E — 1,435 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 08m of daylight. Shortest: 10h 10m.
  • 📏 At 64.7 square miles of land, 78628 is bigger than 67% of ZIP codes — room for about 49 Central Parks.
🌙 The sky over 78628 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population50,822This ZIP50,822
Households19,084This ZIP19,084
Housing units19,856This ZIP19,856
Median age40.7This ZIP40.7Texas35.6US 38.9
Median household income$125,635This ZIP$125,635Texas$78,476US $80,734
Median home value$496,600This ZIP$496,600Texas$283,800US $332,700
Median gross rent$1,687This ZIP$1,687Texas$1,403US $1,413
Bachelor's degree or higher55.0%This ZIP55.0%
Mean commute29.3 minThis ZIP29.3 min
Population density785.3 / sq miThis ZIP785.3 / sq mi

Business and tax activity

Business establishments1,135This ZIP1,135
Employees10,422This ZIP10,422
Annual payroll$498,735,000This ZIP$498,735,000
Tax returns filed23,870This ZIP23,870
Total adjusted gross income$3,848,375,000This ZIP$3,848,375,000

Land area

Land area64.71 sq miThis ZIP64.71 sq mi
Water area1.23 sq miThis ZIP1.23 sq mi

Other place names in 78628

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

ZIP codes near 78628

ZIPCityDistance
78633 Georgetown, TX 5.1 mi
78627 Georgetown, TX 6.4 mi
78646 Leander, TX 7.4 mi
78681 Round Rock, TX 9.2 mi
78626 Georgetown, TX 9.6 mi
78642 Liberty Hill, TX 9.8 mi
78680 Round Rock, TX 10.5 mi
78682 Round Rock, TX 10.5 mi
78683 Round Rock, TX 10.5 mi
78674 Weir, TX 10.7 mi

Find every ZIP code within 10 miles of 78628 →

Questions about this ZIP code

Where is ZIP code 78628?

78628 is in Georgetown, Texas, in Williamson County, part of the Austin-Round Rock-San Marcos, TX metropolitan area. Its published point location is 30.6645, -97.7786.

What county is 78628 in?

78628 lies in Williamson County.

What area code is 78628?

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

What time zone is 78628 in?

78628 uses America/Chicago.

How many people live in 78628?

About 50,822 people live in ZIP code 78628, in 19,084 households, at 785.3 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 78628?

$125,635 a year, against $78,476 across Texas.

What ZIP codes are near 78628?

The closest are 78633 (5.1 mi), 78627 (6.4 mi), 78646 (7.4 mi), 78681 (9.2 mi) and 78626 (9.6 mi).

Is 78628 a PO Box ZIP code?

78628 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78628 ZIP Code — Georgetown, Texas (Williamson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78628

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