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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/85704

85704

ZIP 85704 is in Tucson, Arizona, in Pima County; area code 520; Mountain Standard Time all year. Tucson has 54 ZIP codes in all.

Type
Standard
Time zone
America/Phoenix
County
Pima
Metro area
Tucson, AZ
Population
35,210
Coordinates
32.3394, -110.9850
☼ Live from 85704 — Tucson, AZ

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Local time: —

Where 85704 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 85704
  • 🔢 Type 85704 into a pocket calculator and turn it upside down: hOLSB — not quite a word, sorry.
  • ➕ As a number, 85,704 = 2 × 2 × 2 × 3 × 3571. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100111011001000
  • 🏠 Its numerical neighbours: 85703 (Tucson, AZ, 9 mi away) and 85705 (Tucson, AZ, 5 mi away).
  • 🔄 Backwards, 85704 becomes 40758, which is not a ZIP code at all.
  • 👥 57 other ZIP codes are made of exactly the same digits (04578, 04758, 04785, 05478, 05487, 05748, …). The farthest-flung twin is 04758 in Mars Hill, ME, 2,465 miles away.
  • 🧭 Farther south than 87% of all ZIP codes, and farther west than 86%.
  • 🎯863 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85704 and you would come out at 32.34°S, 69.02°E — 1,102 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 16m of daylight. Shortest: 10h 01m.
  • 📏 At 18.2 square miles of land, 85704 is bigger than 36% of ZIP codes — room for about 14 Central Parks.
🌙 The sky over 85704 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population35,210This ZIP35,210
Households16,661This ZIP16,661
Housing units18,148This ZIP18,148
Median age47.3This ZIP47.3Arizona39.0US 38.9
Median household income$81,696This ZIP$81,696Arizona$79,964US $80,734
Median home value$423,900This ZIP$423,900Arizona$394,500US $332,700
Median gross rent$1,561This ZIP$1,561Arizona$1,543US $1,413
Bachelor's degree or higher53.2%This ZIP53.2%
Mean commute23.1 minThis ZIP23.1 min
Population density1,934.2 / sq miThis ZIP1,934.2 / sq mi

Business and tax activity

Business establishments1,250This ZIP1,250
Employees16,716This ZIP16,716
Annual payroll$999,642,000This ZIP$999,642,000
Tax returns filed16,570This ZIP16,570
Total adjusted gross income$1,428,623,000This ZIP$1,428,623,000

Land area

Land area18.20 sq miThis ZIP18.20 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 85704

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

ZIP codes near 85704

ZIPCityDistance
85741 Tucson, AZ 3.3 mi
85718 Tucson, AZ 4.1 mi
85705 Tucson, AZ 4.7 mi
85742 Tucson, AZ 5.2 mi
85737 Tucson, AZ 5.7 mi
85719 Tucson, AZ 6.8 mi
85724 Tucson, AZ 7.2 mi
85716 Tucson, AZ 7.6 mi
85745 Tucson, AZ 7.7 mi
85721 Tucson, AZ 7.8 mi

Find every ZIP code within 10 miles of 85704 →

Questions about this ZIP code

Where is ZIP code 85704?

85704 is in Tucson, Arizona, in Pima County, part of the Tucson, AZ metropolitan area. Its published point location is 32.3394, -110.9850.

What county is 85704 in?

85704 lies in Pima County.

What area code is 85704?

Tucson uses area code 520, from NANPA's telephone records.

What time zone is 85704 in?

85704 uses America/Phoenix.

How many people live in 85704?

About 35,210 people live in ZIP code 85704, in 16,661 households, at 1,934.2 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 85704?

$81,696 a year, against $79,964 across Arizona.

What ZIP codes are near 85704?

The closest are 85741 (3.3 mi), 85718 (4.1 mi), 85705 (4.7 mi), 85742 (5.2 mi) and 85737 (5.7 mi).

Is 85704 a PO Box ZIP code?

85704 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85704 ZIP Code — Tucson, Arizona (Pima County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85704

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