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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/85742

85742

ZIP 85742 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
31,613
Coordinates
32.3863, -111.0553
☼ Live from 85742 — Tucson, AZ

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Where 85742 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 85742
  • 🔢 Type 85742 into a pocket calculator and turn it upside down: ZhLSB — not quite a word, sorry.
  • ➕ As a number, 85,742 = 2 × 43 × 997. Its digits add up to 26, a total 2,038 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100111011101110
  • 🏠 Its numerical neighbours: 85741 (Tucson, AZ, 4 mi away) and 85743 (Tucson, AZ, 9 mi away).
  • 🔄 Backwards, 85742 becomes 24758, which is not a ZIP code at all.
  • 👥 44 other ZIP codes are made of exactly the same digits (24578, 24857, 27584, 27845, 28457, 28547, …). The farthest-flung twin is 28547 in Camp Lejeune, NC, 1,940 miles away.
  • 🧭 Farther south than 87% of all ZIP codes, and farther west than 86%.
  • 🎯864 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85742 and you would come out at 32.39°S, 68.94°E — 1,101 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 17m of daylight. Shortest: 10h 01m.
  • 📏 At 22.3 square miles of land, 85742 is bigger than 39% of ZIP codes — room for about 17 Central Parks.
🌙 The sky over 85742 today
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🌋 Shake report
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Source: USGS.

People and housing

Population31,613This ZIP31,613
Households12,709This ZIP12,709
Housing units13,003This ZIP13,003
Median age41.6This ZIP41.6Arizona39.0US 38.9
Median household income$98,844This ZIP$98,844Arizona$79,964US $80,734
Median home value$368,300This ZIP$368,300Arizona$394,500US $332,700
Median gross rent$1,702This ZIP$1,702Arizona$1,543US $1,413
Bachelor's degree or higher43.7%This ZIP43.7%
Mean commute24.4 minThis ZIP24.4 min
Population density1,417.8 / sq miThis ZIP1,417.8 / sq mi

Business and tax activity

Business establishments409This ZIP409
Employees3,130This ZIP3,130
Annual payroll$124,147,000This ZIP$124,147,000
Tax returns filed15,400This ZIP15,400
Total adjusted gross income$1,375,438,000This ZIP$1,375,438,000

Land area

Land area22.30 sq miThis ZIP22.30 sq mi
Water area0.04 sq miThis ZIP0.04 sq mi

Other place names in 85742

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

ZIP codes near 85742

ZIPCityDistance
85741 Tucson, AZ 3.6 mi
85652 Cortaro, AZ 4.1 mi
85704 Tucson, AZ 5.2 mi
85654 Rillito, AZ 6.1 mi
85737 Tucson, AZ 6.6 mi
85755 Tucson, AZ 7.1 mi
85705 Tucson, AZ 8.8 mi
85718 Tucson, AZ 9.3 mi
85743 Tucson, AZ 9.4 mi
85745 Tucson, AZ 9.5 mi

Find every ZIP code within 10 miles of 85742 →

Questions about this ZIP code

Where is ZIP code 85742?

85742 is in Tucson, Arizona, in Pima County, part of the Tucson, AZ metropolitan area. Its published point location is 32.3863, -111.0553.

What county is 85742 in?

85742 lies in Pima County.

What area code is 85742?

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

What time zone is 85742 in?

85742 uses America/Phoenix.

How many people live in 85742?

About 31,613 people live in ZIP code 85742, in 12,709 households, at 1,417.8 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 85742?

$98,844 a year, against $79,964 across Arizona.

What ZIP codes are near 85742?

The closest are 85741 (3.6 mi), 85652 (4.1 mi), 85704 (5.2 mi), 85654 (6.1 mi) and 85737 (6.6 mi).

Is 85742 a PO Box ZIP code?

85742 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85742 ZIP Code — Tucson, Arizona (Pima County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85742

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