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Where 84321 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.
- 🔢 Type 84321 into a pocket calculator and turn it upside down: IZEhB — not quite a word, sorry.
- ➕ As a number, 84,321 = 3 × 3 × 3 × 3 × 3 × 347. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10100100101100001 - 🏠 Its numerical neighbours: 84320 (Lewiston, UT, 14 mi away) and 84322 (Logan, UT, 5 mi away).
- 🔄 Backwards, 84321 becomes 12348, which is not a ZIP code at all.
- 👥 55 other ZIP codes are made of exactly the same digits (12438, 12483, 12834, 12843, 13428, 13482, …). The farthest-flung twin is 21843 in Ocean City, MD, 1,937 miles away.
- 🧭 Farther north than 73% of all ZIP codes, and farther west than 86%.
- 🎯699 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 84321 and you would come out at 41.77°S, 68.29°E — 532 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 13m of daylight. Shortest: 9h 08m.
- 📏 At 220.1 square miles of land, 84321 is bigger than 92% of ZIP codes — room for about 167 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 51,702This ZIP51,702 |
|---|---|
| Households | 16,505This ZIP16,505 |
| Housing units | 17,663This ZIP17,663 |
| Median age | 23.9This ZIP23.9Utah32.0US 38.9 |
| Median household income | $69,148This ZIP$69,148Utah$95,166US $80,734 |
| Median home value | $400,500This ZIP$400,500Utah$489,400US $332,700 |
| Median gross rent | $1,128This ZIP$1,128Utah$1,496US $1,413 |
| Bachelor's degree or higher | 40.1%This ZIP40.1% |
| Mean commute | 15.9 minThis ZIP15.9 min |
| Population density | 234.9 / sq miThis ZIP234.9 / sq mi |
Business and tax activity
| Business establishments | 1,628This ZIP1,628 |
|---|---|
| Employees | 28,038This ZIP28,038 |
| Annual payroll | $1,614,751,000This ZIP$1,614,751,000 |
| Tax returns filed | 19,460This ZIP19,460 |
| Total adjusted gross income | $1,362,919,000This ZIP$1,362,919,000 |
Land area
| Land area | 220.09 sq miThis ZIP220.09 sq mi |
|---|---|
| Water area | 0.89 sq miThis ZIP0.89 sq mi |
Other place names in 84321
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 84321
| ZIP | City | Distance |
|---|---|---|
84318 | Hyde Park, UT | 5.1 mi |
84341 | Logan, UT | 5.1 mi |
84322 | Logan, UT | 5.3 mi |
84323 | Logan, UT | 6.8 mi |
84332 | Providence, UT | 7.1 mi |
84326 | Millville, UT | 8.9 mi |
84335 | Smithfield, UT | 9.4 mi |
84333 | Richmond, UT | 10.3 mi |
84319 | Hyrum, UT | 12.8 mi |
84304 | Cache Junction, UT | 14.1 mi |
Find every ZIP code within 10 miles of 84321 →
Questions about this ZIP code
Where is ZIP code 84321?
84321 is in Logan, Utah, in Cache County, part of the Logan, UT-ID metropolitan area. Its published point location is 41.7748, -111.7128.
What county is 84321 in?
84321 lies in Cache County.
What area code is 84321?
Logan uses area code 435, from NANPA's telephone records.
What time zone is 84321 in?
84321 uses America/Denver.
How many people live in 84321?
About 51,702 people live in ZIP code 84321, in 16,505 households, at 234.9 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 84321?
$69,148 a year, against $95,166 across Utah.
What ZIP codes are near 84321?
The closest are 84318 (5.1 mi), 84341 (5.1 mi), 84322 (5.3 mi), 84323 (6.8 mi) and 84332 (7.1 mi).
Is 84321 a PO Box ZIP code?
84321 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “84321 ZIP Code — Logan, Utah (Cache County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/84321
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/84321.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.