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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/84109

84109

ZIP 84109 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
25,544
Coordinates
40.7058, -111.7045
☼ Live from 84109 — Salt Lake City, UT

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Where 84109 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 84109
  • 🔢 Type 84109 into a pocket calculator and turn it upside down: GOIhB — not quite a word, sorry.
  • ➕ As a number, 84,109 = 241 × 349. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100100010001101
  • 🏠 Its numerical neighbours: 84108 (Salt Lake City, UT, 7 mi away) and 84110 (Salt Lake City, UT, 11 mi away).
  • 🔄 Backwards, 84109 becomes 90148, which is not a ZIP code at all.
  • 👥 48 other ZIP codes are made of exactly the same digits (01984, 04918, 04981, 09184, 09418, 09814, …). The farthest-flung twin is 09814 in APO AE, a military post office, 7,906 miles away.
  • 🧭 Farther north than 63% of all ZIP codes, and farther west than 86%.
  • 🎯694 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 84109 and you would come out at 40.71°S, 68.30°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 57.0 square miles of land, 84109 is bigger than 63% of ZIP codes — room for about 43 Central Parks.
🌙 The sky over 84109 today
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🌋 Shake report
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Source: USGS.

People and housing

Population25,544This ZIP25,544
Households8,973This ZIP8,973
Housing units9,909This ZIP9,909
Median age36.2This ZIP36.2Utah32.0US 38.9
Median household income$145,034This ZIP$145,034Utah$95,166US $80,734
Median home value$731,200This ZIP$731,200Utah$489,400US $332,700
Median gross rent$1,639This ZIP$1,639Utah$1,496US $1,413
Bachelor's degree or higher68.3%This ZIP68.3%
Mean commute21.3 minThis ZIP21.3 min
Population density448.1 / sq miThis ZIP448.1 / sq mi

Business and tax activity

Business establishments681This ZIP681
Employees6,102This ZIP6,102
Annual payroll$310,105,000This ZIP$310,105,000
Tax returns filed11,860This ZIP11,860
Total adjusted gross income$1,826,188,000This ZIP$1,826,188,000

Land area

Land area57.01 sq miThis ZIP57.01 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Other place names in 84109

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

ZIP codes near 84109

ZIPCityDistance
84124 Salt Lake City, UT 5.2 mi
84158 Salt Lake City, UT 5.3 mi
84121 Salt Lake City, UT 6.2 mi
84108 Salt Lake City, UT 7.2 mi
84117 Salt Lake City, UT 7.5 mi
84113 Salt Lake City, UT 7.8 mi
84148 Salt Lake City, UT 7.8 mi
84106 Salt Lake City, UT 7.9 mi
84112 Salt Lake City, UT 8.3 mi
84132 Salt Lake City, UT 8.4 mi

Find every ZIP code within 10 miles of 84109 →

Questions about this ZIP code

Where is ZIP code 84109?

84109 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 40.7058, -111.7045.

What county is 84109 in?

84109 lies in Salt Lake County.

What area code is 84109?

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

What time zone is 84109 in?

84109 uses America/Denver.

How many people live in 84109?

About 25,544 people live in ZIP code 84109, in 8,973 households, at 448.1 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 84109?

$145,034 a year, against $95,166 across Utah.

What ZIP codes are near 84109?

The closest are 84124 (5.2 mi), 84158 (5.3 mi), 84121 (6.2 mi), 84108 (7.2 mi) and 84117 (7.5 mi).

Is 84109 a PO Box ZIP code?

84109 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “84109 ZIP Code — Salt Lake City, Utah (Salt Lake County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/84109

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