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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/85730

85730

ZIP 85730 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
39,399
Coordinates
32.1898, -110.7205
☼ Live from 85730 — Tucson, AZ

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Where 85730 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 85730
  • 🔢 Type 85730 into a pocket calculator and turn it upside down: OELSB — not quite a word, sorry.
  • ➕ As a number, 85,730 = 2 × 5 × 8573. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100111011100010
  • 🏠 Its numerical neighbours: 85728 (Tucson, AZ, 12 mi away) and 85731 (Tucson, AZ, 12 mi away).
  • 🔄 Backwards, 85730 becomes 03758, which is not a ZIP code at all.
  • 👥 51 other ZIP codes are made of exactly the same digits (03785, 03857, 03875, 05738, 05837, 05873, …). The farthest-flung twin is 03857 in Newmarket, NH, 2,278 miles away.
  • 🧭 Farther south than 88% of all ZIP codes, and farther west than 86%.
  • 🎯858 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85730 and you would come out at 32.19°S, 69.28°E — 1,105 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 16m of daylight. Shortest: 10h 02m.
  • 📏 At 37.5 square miles of land, 85730 is bigger than 52% of ZIP codes — room for about 28 Central Parks.
🌙 The sky over 85730 today
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🌋 Shake report
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Source: USGS.

People and housing

Population39,399This ZIP39,399
Households16,056This ZIP16,056
Housing units17,137This ZIP17,137
Median age37.0This ZIP37.0Arizona39.0US 38.9
Median household income$62,090This ZIP$62,090Arizona$79,964US $80,734
Median home value$246,100This ZIP$246,100Arizona$394,500US $332,700
Median gross rent$1,271This ZIP$1,271Arizona$1,543US $1,413
Bachelor's degree or higher22.6%This ZIP22.6%
Mean commute24.6 minThis ZIP24.6 min
Population density1,050.0 / sq miThis ZIP1,050.0 / sq mi

Business and tax activity

Business establishments340This ZIP340
Employees3,478This ZIP3,478
Annual payroll$124,072,000This ZIP$124,072,000
Tax returns filed18,540This ZIP18,540
Total adjusted gross income$996,835,000This ZIP$996,835,000

Land area

Land area37.52 sq miThis ZIP37.52 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Other place names in 85730

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

ZIP codes near 85730

ZIPCityDistance
85748 Tucson, AZ 2.7 mi
85710 Tucson, AZ 6.3 mi
85749 Tucson, AZ 6.4 mi
85747 Tucson, AZ 7.3 mi
85715 Tucson, AZ 7.8 mi
85708 Tucson, AZ 8.2 mi
85711 Tucson, AZ 9.7 mi
85707 Tucson, AZ 9.9 mi
85750 Tucson, AZ 10.4 mi
85712 Tucson, AZ 10.6 mi

Find every ZIP code within 10 miles of 85730 →

Questions about this ZIP code

Where is ZIP code 85730?

85730 is in Tucson, Arizona, in Pima County, part of the Tucson, AZ metropolitan area. Its published point location is 32.1898, -110.7205.

What county is 85730 in?

85730 lies in Pima County.

What area code is 85730?

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

What time zone is 85730 in?

85730 uses America/Phoenix.

How many people live in 85730?

About 39,399 people live in ZIP code 85730, in 16,056 households, at 1,050.0 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 85730?

$62,090 a year, against $79,964 across Arizona.

What ZIP codes are near 85730?

The closest are 85748 (2.7 mi), 85710 (6.3 mi), 85749 (6.4 mi), 85747 (7.3 mi) and 85715 (7.8 mi).

Is 85730 a PO Box ZIP code?

85730 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “85730 ZIP Code — Tucson, Arizona (Pima County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85730

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