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zipcodes.pro — ZIP/78613

78613

ZIP 78613 is in Cedar Park, Texas, mostly in Williamson County; area codes 512 and 737; Central time. Cedar Park has 2 ZIP codes; the other is 78630.

Type
Standard
Time zone
America/Chicago
County
Williamson +1 more
Population
89,956
Coordinates
30.5071, -97.8195
☼ Live from 78613 — Cedar Park, TX

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Where 78613 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 78613
  • 🔢 Type 78613 into a pocket calculator and turn it upside down: EIgBL — not quite a word, sorry.
  • ➕ As a number, 78,613 = 127 × 619. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001100010101
  • 🏠 Its numerical neighbours: 78612 (Cedar Creek, TX, 34 mi away) and 78614 (Cost, TX, 77 mi away).
  • 🔄 Backwards, 78613 becomes 31687, which is not a ZIP code at all.
  • 👥 43 other ZIP codes are made of exactly the same digits (13678, 13687, 13786, 16738, 16837, 16873, …). The farthest-flung twin is 13678 in Raymondville, NY, 1,585 miles away.
  • 🧭 Farther south than 91% of all ZIP codes, and farther west than 77%.
  • 🎯645 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78613 and you would come out at 30.51°S, 82.18°E — 1,444 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 07m of daylight. Shortest: 10h 10m.
  • 📏 At 27.7 square miles of land, 78613 is bigger than 44% of ZIP codes — room for about 21 Central Parks.
🌙 The sky over 78613 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population89,956This ZIP89,956
Households33,919This ZIP33,919
Housing units34,500This ZIP34,500
Median age37.7This ZIP37.7Texas35.6US 38.9
Median household income$125,487This ZIP$125,487Texas$78,476US $80,734
Median home value$496,200This ZIP$496,200Texas$283,800US $332,700
Median gross rent$1,815This ZIP$1,815Texas$1,403US $1,413
Bachelor's degree or higher55.8%This ZIP55.8%
Mean commute25.1 minThis ZIP25.1 min
Population density3,248.1 / sq miThis ZIP3,248.1 / sq mi

Business and tax activity

Business establishments2,571This ZIP2,571
Employees30,305This ZIP30,305
Annual payroll$1,542,865,000This ZIP$1,542,865,000
Tax returns filed39,600This ZIP39,600
Total adjusted gross income$5,029,631,000This ZIP$5,029,631,000

Land area

Land area27.70 sq miThis ZIP27.70 sq mi
Water area0.16 sq miThis ZIP0.16 sq mi

Counties 78613 spans

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

CountyShare of this ZIP
Williamson County 88.6%
Travis County 11.4%

Other place names in 78613

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

ZIP codes near 78613

ZIPCityDistance
78630 Cedar Park, TX 0.1 mi
78717 Austin, TX 4.1 mi
78750 Austin, TX 5.0 mi
78729 Austin, TX 5.1 mi
78646 Leander, TX 5.3 mi
78726 Austin, TX 5.4 mi
78681 Round Rock, TX 6.6 mi
78641 Leander, TX 6.6 mi
78759 Austin, TX 8.0 mi
78727 Austin, TX 8.1 mi

Find every ZIP code within 10 miles of 78613 →

Questions about this ZIP code

Where is ZIP code 78613?

78613 is in Cedar Park, Texas, in Williamson County, part of the Austin-Round Rock-San Marcos, TX metropolitan area. Its published point location is 30.5071, -97.8195.

What county is 78613 in?

78613 spans 2 counties: Williamson County and Travis County. Most of it falls in Williamson 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 78613?

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

What time zone is 78613 in?

78613 uses America/Chicago.

How many people live in 78613?

About 89,956 people live in ZIP code 78613, in 33,919 households, at 3,248.1 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 78613?

$125,487 a year, against $78,476 across Texas.

What ZIP codes are near 78613?

The closest are 78630 (0.1 mi), 78717 (4.1 mi), 78750 (5 mi), 78729 (5.1 mi) and 78646 (5.3 mi).

Is 78613 a PO Box ZIP code?

78613 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78613 ZIP Code — Cedar Park, Texas (Williamson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78613

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