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zipcodes.pro — ZIP/78633

78633

ZIP 78633 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 78628.

Type
Standard
Time zone
America/Chicago
County
Williamson
Population
29,309
Coordinates
30.7352, -97.7554
☼ Live from 78633 — Georgetown, TX

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Local time: —

Where 78633 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 78633
  • 🔢 Type 78633 into a pocket calculator and turn it upside down: EEgBL — not quite a word, sorry.
  • ➕ As a number, 78,633 = 3 × 3 × 8737. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001100101001
  • 🏠 Its numerical neighbours: 78632 (Harwood, TX, 74 mi away) and 78634 (Hutto, TX, 17 mi away).
  • 🔄 Backwards, 78633 becomes 33687 — and that is a real ZIP code: Tampa, FL, 943 miles away.
  • 👥 26 other ZIP codes are made of exactly the same digits (33687, 33786, 33867, 33876, 36738, 36783, …). The farthest-flung twin is 83637 in Lowman, ID, 1,323 miles away.
  • 🧭 Farther south than 91% of all ZIP codes, and farther west than 76%.
  • 🎯630 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78633 and you would come out at 30.74°S, 82.24°E — 1,431 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 09m.
  • 📏 At 78.5 square miles of land, 78633 is bigger than 72% of ZIP codes — room for about 60 Central Parks.
🌙 The sky over 78633 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population29,309This ZIP29,309
Households14,245This ZIP14,245
Housing units14,787This ZIP14,787
Median age67.3This ZIP67.3Texas35.6US 38.9
Median household income$100,936This ZIP$100,936Texas$78,476US $80,734
Median home value$464,600This ZIP$464,600Texas$283,800US $332,700
Median gross rent$1,998This ZIP$1,998Texas$1,403US $1,413
Bachelor's degree or higher55.9%This ZIP55.9%
Mean commute33.2 minThis ZIP33.2 min
Population density373.5 / sq miThis ZIP373.5 / sq mi

Business and tax activity

Business establishments372This ZIP372
Employees3,288This ZIP3,288
Annual payroll$198,116,000This ZIP$198,116,000
Tax returns filed16,860This ZIP16,860
Total adjusted gross income$2,363,940,000This ZIP$2,363,940,000

Land area

Land area78.47 sq miThis ZIP78.47 sq mi
Water area1.28 sq miThis ZIP1.28 sq mi

Other place names in 78633

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

ZIP codes near 78633

ZIPCityDistance
78628 Georgetown, TX 5.1 mi
76527 Florence, TX 7.4 mi
78627 Georgetown, TX 8.5 mi
78626 Georgetown, TX 9.8 mi
78673 Walburg, TX 9.9 mi
78674 Weir, TX 10.3 mi
78680 Round Rock, TX 10.6 mi
78682 Round Rock, TX 10.6 mi
78683 Round Rock, TX 10.6 mi
76537 Jarrell, TX 10.7 mi

Find every ZIP code within 10 miles of 78633 →

Questions about this ZIP code

Where is ZIP code 78633?

78633 is in Georgetown, Texas, in Williamson County, part of the Austin-Round Rock-San Marcos, TX metropolitan area. Its published point location is 30.7352, -97.7554.

What county is 78633 in?

78633 lies in Williamson County.

What area code is 78633?

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

What time zone is 78633 in?

78633 uses America/Chicago.

How many people live in 78633?

About 29,309 people live in ZIP code 78633, in 14,245 households, at 373.5 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 78633?

$100,936 a year, against $78,476 across Texas.

What ZIP codes are near 78633?

The closest are 78628 (5.1 mi), 76527 (7.4 mi), 78627 (8.5 mi), 78626 (9.8 mi) and 78673 (9.9 mi).

Is 78633 a PO Box ZIP code?

78633 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78633 ZIP Code — Georgetown, Texas (Williamson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78633

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