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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/84104

84104

ZIP 84104 is in Salt Lake City, Utah, in Salt Lake County; area codes 801 and 385; Mountain time. Salt Lake City has 52 ZIP codes in all.

Type
Standard
Time zone
America/Denver
County
Salt Lake
Population
23,420
Coordinates
40.7494, -111.9815
☼ Live from 84104 — Salt Lake City, UT

Weather right now

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Local time: —

Where 84104 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 84104
  • 🔢 Type 84104 into a pocket calculator and turn it upside down: hOIhB — not quite a word, sorry.
  • ➕ As a number, 84,104 = 2 × 2 × 2 × 10513. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100100010001000
  • 🏠 Its numerical neighbours: 84103 (Salt Lake City, UT, 8 mi away) and 84105 (Salt Lake City, UT, 6 mi away).
  • 🔄 Backwards, 84104 becomes 40148, which is not a ZIP code at all.
  • 👥 27 other ZIP codes are made of exactly the same digits (01844, 04418, 04481, 04841, 14048, 14480, …). The farthest-flung twin is 04418 in Greenbush, ME, 2,193 miles away.
  • 🧭 Farther north than 64% of all ZIP codes, and farther west than 87%.
  • 🎯709 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 84104 and you would come out at 40.75°S, 68.02°E — 604 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
  • 📏 At 21.6 square miles of land, 84104 is bigger than 39% of ZIP codes — room for about 16 Central Parks.
🌙 The sky over 84104 today
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🌋 Shake report
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Source: USGS.

People and housing

Population23,420This ZIP23,420
Households8,135This ZIP8,135
Housing units8,636This ZIP8,636
Median age33.6This ZIP33.6Utah32.0US 38.9
Median household income$61,425This ZIP$61,425Utah$95,166US $80,734
Median home value$359,600This ZIP$359,600Utah$489,400US $332,700
Median gross rent$1,303This ZIP$1,303Utah$1,496US $1,413
Bachelor's degree or higher24.3%This ZIP24.3%
Mean commute18.2 minThis ZIP18.2 min
Population density1,085.2 / sq miThis ZIP1,085.2 / sq mi

Business and tax activity

Business establishments1,505This ZIP1,505
Employees53,265This ZIP53,265
Annual payroll$4,693,002,000This ZIP$4,693,002,000
Tax returns filed10,280This ZIP10,280
Total adjusted gross income$596,437,000This ZIP$596,437,000

Land area

Land area21.58 sq miThis ZIP21.58 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 84104

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

ZIP codes near 84104

ZIPCityDistance
84199 Salt Lake City, UT 2.7 mi
84120 West Valley City, UT 3.8 mi
84119 West Valley City, UT 3.9 mi
84101 Salt Lake City, UT 4.3 mi
84128 West Valley City, UT 4.4 mi
84180 Salt Lake City, UT 4.5 mi
84139 Salt Lake City, UT 4.8 mi
84147 Salt Lake City, UT 4.8 mi
84152 Salt Lake City, UT 4.8 mi
84189 Salt Lake City, UT 4.8 mi

Find every ZIP code within 10 miles of 84104 →

Questions about this ZIP code

Where is ZIP code 84104?

84104 is in Salt Lake City, Utah, in Salt Lake County, part of the Salt Lake City-Murray, UT metropolitan area. Its published point location is 40.7494, -111.9815.

What county is 84104 in?

84104 lies in Salt Lake County.

What area code is 84104?

Salt Lake City uses area codes 801 and 385, from NANPA's telephone records.

What time zone is 84104 in?

84104 uses America/Denver.

How many people live in 84104?

About 23,420 people live in ZIP code 84104, in 8,135 households, at 1,085.2 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 84104?

$61,425 a year, against $95,166 across Utah.

What ZIP codes are near 84104?

The closest are 84199 (2.7 mi), 84120 (3.8 mi), 84119 (3.9 mi), 84101 (4.3 mi) and 84128 (4.4 mi).

Is 84104 a PO Box ZIP code?

84104 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “84104 ZIP Code — Salt Lake City, Utah (Salt Lake County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/84104

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