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zipcodes.pro — ZIP/85378

85378

ZIP 85378 is in Surprise, Arizona, in Maricopa County; area codes 480, 602 and 623; Mountain Standard Time all year. Surprise has 5 ZIP codes; the others are 85374, 85379, 85387 and 85388.

Type
Standard
Time zone
America/Phoenix
County
Maricopa
Population
9,765
Coordinates
33.6446, -112.3199
☼ Live from 85378 — Surprise, AZ

Weather right now

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Local time: —

Where 85378 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 85378
  • 🔢 Type 85378 into a pocket calculator and turn it upside down: BLESB — not quite a word, sorry.
  • ➕ As a number, 85,378 = 2 × 42689. Its digits add up to 31, a total 799 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110110000010
  • 🏠 Its numerical neighbours: 85377 (Carefree, AZ, 26 mi away) and 85379 (Surprise, AZ, 4 mi away).
  • 🔄 Backwards, 85378 becomes 87358, which is not a ZIP code at all.
  • 👥 20 other ZIP codes are made of exactly the same digits (37885, 38578, 38587, 38857, 38875, 53788, …). The farthest-flung twin is 37885 in Vonore, TN, 1,603 miles away.
  • 🧭 Farther south than 81% of all ZIP codes, and farther west than 88%.
  • 🎯871 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85378 and you would come out at 33.64°S, 67.68°E — 1,093 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 23m of daylight. Shortest: 9h 55m.
  • 📏 At 3.6 square miles of land, 85378 is bigger than 16% of ZIP codes — room for about 2.7 Central Parks.
🌙 The sky over 85378 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population9,765This ZIP9,765
Households4,033This ZIP4,033
Housing units4,670This ZIP4,670
Median age41.9This ZIP41.9Arizona39.0US 38.9
Median household income$56,444This ZIP$56,444Arizona$79,964US $80,734
Median home value$274,500This ZIP$274,500Arizona$394,500US $332,700
Median gross rent$1,514This ZIP$1,514Arizona$1,543US $1,413
Bachelor's degree or higher16.4%This ZIP16.4%
Mean commute26.0 minThis ZIP26.0 min
Population density2,712.5 / sq miThis ZIP2,712.5 / sq mi

Business and tax activity

Business establishments168This ZIP168
Employees1,700This ZIP1,700
Annual payroll$80,952,000This ZIP$80,952,000

Land area

Land area3.60 sq miThis ZIP3.60 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Other place names in 85378

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

ZIP codes near 85378

ZIPCityDistance
85376 Sun City West, AZ 1.7 mi
85373 Sun City, AZ 2.0 mi
85375 Sun City West, AZ 2.8 mi
85351 Sun City, AZ 3.4 mi
85335 El Mirage, AZ 4.1 mi
85363 Youngtown, AZ 4.2 mi
85382 Peoria, AZ 4.2 mi
85372 Sun City, AZ 4.3 mi
85379 Surprise, AZ 4.3 mi
85374 Surprise, AZ 4.3 mi

Find every ZIP code within 10 miles of 85378 →

Questions about this ZIP code

Where is ZIP code 85378?

85378 is in Surprise, Arizona, in Maricopa County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.6446, -112.3199.

What county is 85378 in?

85378 lies in Maricopa County.

What area code is 85378?

Surprise uses area codes 480, 602 and 623, from NANPA's telephone records.

What time zone is 85378 in?

85378 uses America/Phoenix.

How many people live in 85378?

About 9,765 people live in ZIP code 85378, in 4,033 households, at 2,712.5 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 85378?

$56,444 a year, against $79,964 across Arizona.

What ZIP codes are near 85378?

The closest are 85376 (1.7 mi), 85373 (2 mi), 85375 (2.8 mi), 85351 (3.4 mi) and 85335 (4.1 mi).

Is 85378 a PO Box ZIP code?

85378 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85378 ZIP Code — Surprise, Arizona (Maricopa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85378

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