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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/33478

33478

ZIP 33478 is in Jupiter, Florida, mostly in Palm Beach County; area codes 561 and 728; Eastern time. Jupiter has 5 ZIP codes; the others are 33458, 33468, 33469 and 33477.

Type
Standard
Time zone
America/New_York
County
Palm Beach +1 more
Population
14,731
Coordinates
26.9398, -80.2611
☼ Live from 33478 — Jupiter, FL

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Local time: —

Where 33478 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 33478
  • 🔢 Type 33478 into a pocket calculator and turn it upside down: BLhEE — not quite a word, sorry.
  • ➕ As a number, 33,478 = 2 × 19 × 881. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000001011000110
  • 🏠 Its numerical neighbours: 33477 (Jupiter, FL, 11 mi away) and 33480 (Palm Beach, FL, 22 mi away).
  • 🔄 Backwards, 33478 becomes 87433, which is not a ZIP code at all.
  • 👥 25 other ZIP codes are made of exactly the same digits (33487, 33784, 33847, 37348, 37384, 37843, …). The farthest-flung twin is 83347 in Paul, ID, 2,170 miles away.
  • 🧭 Farther south than 97% of all ZIP codes, and farther east than 73%.
  • 🎯1,377 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 33478 and you would come out at 26.94°S, 99.74°E — 1,029 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 50m of daylight. Shortest: 10h 27m.
  • 📏 At 64.6 square miles of land, 33478 is bigger than 67% of ZIP codes — room for about 49 Central Parks.
🌙 The sky over 33478 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population14,731This ZIP14,731
Households5,244This ZIP5,244
Housing units5,701This ZIP5,701
Median age48.1This ZIP48.1Florida42.6US 38.9
Median household income$139,091This ZIP$139,091Florida$74,568US $80,734
Median home value$699,400This ZIP$699,400Florida$359,000US $332,700
Median gross rent$3,033This ZIP$3,033Florida$1,669US $1,413
Bachelor's degree or higher45.5%This ZIP45.5%
Mean commute31.6 minThis ZIP31.6 min
Population density228.1 / sq miThis ZIP228.1 / sq mi

Business and tax activity

Business establishments624This ZIP624
Employees6,202This ZIP6,202
Annual payroll$482,353,000This ZIP$482,353,000
Tax returns filed7,480This ZIP7,480
Total adjusted gross income$1,515,450,000This ZIP$1,515,450,000

Land area

Land area64.57 sq miThis ZIP64.57 sq mi
Water area1.47 sq miThis ZIP1.47 sq mi

Counties 33478 spans

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

CountyShare of this ZIP
Palm Beach County 81.7%
Martin County 18.3%

Other place names in 33478

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

ZIP codes near 33478

ZIPCityDistance
33418 Palm Beach Gardens, FL 7.5 mi
34997 Stuart, FL 7.7 mi
33458 Jupiter, FL 8.2 mi
33412 West Palm Beach, FL 9.8 mi
33455 Hobe Sound, FL 9.9 mi
33469 Jupiter, FL 10.0 mi
33468 Jupiter, FL 10.3 mi
33475 Hobe Sound, FL 11.3 mi
33477 Jupiter, FL 11.5 mi
33410 Palm Beach Gardens, FL 12.5 mi

Find every ZIP code within 10 miles of 33478 →

Questions about this ZIP code

Where is ZIP code 33478?

33478 is in Jupiter, Florida, in Palm Beach County, part of the Miami-Fort Lauderdale-West Palm Beach, FL metropolitan area. Its published point location is 26.9398, -80.2611.

What county is 33478 in?

33478 spans 2 counties: Palm Beach County and Martin County. Most of it falls in Palm Beach 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 33478?

Jupiter uses area codes 561 and 728, from NANPA's telephone records.

What time zone is 33478 in?

33478 uses America/New_York.

How many people live in 33478?

About 14,731 people live in ZIP code 33478, in 5,244 households, at 228.1 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 33478?

$139,091 a year, against $74,568 across Florida.

What ZIP codes are near 33478?

The closest are 33418 (7.5 mi), 34997 (7.7 mi), 33458 (8.2 mi), 33412 (9.8 mi) and 33455 (9.9 mi).

Is 33478 a PO Box ZIP code?

33478 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “33478 ZIP Code — Jupiter, Florida (Palm Beach County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/33478

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