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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/85304

85304

ZIP 85304 is in Glendale, Arizona, in Maricopa County; area codes 480, 602 and 623; Mountain Standard Time all year. Glendale has 12 ZIP codes in all.

Type
Standard
Time zone
America/Phoenix
County
Maricopa
Population
29,861
Coordinates
33.5945, -112.1795
☼ Live from 85304 — Glendale, AZ

Weather right now

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Local time: —

Where 85304 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 85304
  • 🔢 Type 85304 into a pocket calculator and turn it upside down: hOESB — not quite a word, sorry.
  • ➕ As a number, 85,304 = 2 × 2 × 2 × 10663. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100110100111000
  • 🏠 Its numerical neighbours: 85303 (Glendale, AZ, 5 mi away) and 85305 (Glendale, AZ, 6 mi away).
  • 🔄 Backwards, 85304 becomes 40358 — and that is a real ZIP code: Olympia, KY, 1,619 miles away.
  • 👥 58 other ZIP codes are made of exactly the same digits (03458, 03584, 03845, 03854, 04358, 04538, …). The farthest-flung twin is 04853 in North Haven, ME, 2,410 miles away.
  • 🧭 Farther south than 82% of all ZIP codes, and farther west than 87%.
  • 🎯866 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85304 and you would come out at 33.59°S, 67.82°E — 1,095 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 5.5 square miles of land, 85304 is bigger than 20% of ZIP codes — room for about 4.1 Central Parks.
🌙 The sky over 85304 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population29,861This ZIP29,861
Households10,005This ZIP10,005
Housing units10,473This ZIP10,473
Median age41.1This ZIP41.1Arizona39.0US 38.9
Median household income$86,927This ZIP$86,927Arizona$79,964US $80,734
Median home value$379,700This ZIP$379,700Arizona$394,500US $332,700
Median gross rent$1,514This ZIP$1,514Arizona$1,543US $1,413
Bachelor's degree or higher24.8%This ZIP24.8%
Mean commute25.0 minThis ZIP25.0 min
Population density5,465.0 / sq miThis ZIP5,465.0 / sq mi

Business and tax activity

Business establishments289This ZIP289
Employees2,366This ZIP2,366
Annual payroll$171,563,000This ZIP$171,563,000
Tax returns filed12,780This ZIP12,780
Total adjusted gross income$850,204,000This ZIP$850,204,000

Land area

Land area5.46 sq miThis ZIP5.46 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Other place names in 85304

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

ZIP codes near 85304

ZIPCityDistance
85302 Glendale, AZ 1.8 mi
85306 Glendale, AZ 2.0 mi
85381 Peoria, AZ 3.1 mi
85380 Peoria, AZ 3.5 mi
85385 Peoria, AZ 3.5 mi
85053 Phoenix, AZ 3.7 mi
85051 Phoenix, AZ 3.7 mi
85311 Glendale, AZ 3.9 mi
85312 Glendale, AZ 3.9 mi
85318 Glendale, AZ 3.9 mi

Find every ZIP code within 10 miles of 85304 →

Questions about this ZIP code

Where is ZIP code 85304?

85304 is in Glendale, Arizona, in Maricopa County, part of the Phoenix-Mesa-Chandler, AZ metropolitan area. Its published point location is 33.5945, -112.1795.

What county is 85304 in?

85304 lies in Maricopa County.

What area code is 85304?

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

What time zone is 85304 in?

85304 uses America/Phoenix.

How many people live in 85304?

About 29,861 people live in ZIP code 85304, in 10,005 households, at 5,465.0 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 85304?

$86,927 a year, against $79,964 across Arizona.

What ZIP codes are near 85304?

The closest are 85302 (1.8 mi), 85306 (2 mi), 85381 (3.1 mi), 85380 (3.5 mi) and 85385 (3.5 mi).

Is 85304 a PO Box ZIP code?

85304 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85304 ZIP Code — Glendale, Arizona (Maricopa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85304

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