Zip Code 84321
Logan, Utah — Cache County
📍 ZIP code 84321 is in Logan, Cache County, Utah.
ZIP code 84321 is located in Logan, Cache County, Utah. It is a zip code in the Mountain (MST/MDT) Time Zone with an estimated population of 49,811. The area code for ZIP code 84321 is 435.
Quick Answer
Zip code 84321 is in Logan, Utah (Cache County). It has a population of 49,811, median household income of $66,262, and median home value of $360,300.
Population
49,811
Income
$66,262
Home Value
$360,300
Climate
89°F / 14°F
About Zip Code 84321
Zip code 84321 is located in Logan, Utah, within Cache County. Home to approximately 49,811 residents, this area sits at an elevation of 4504 ft and falls within the Mountain (MST/MDT) timezone. The local area code is 435.
The median household income is $66,262 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $360,300, and the cost of living index is 101 (1% above the national average of 100).
Summers average a high of 89°F while winters drop to 14°F. The area receives about 17 in of rain and 44 in of snow annually. The zip code covers 192.6 square miles of land area and 0.9 square miles of water.
Key Statistics
49,811
$66,262
$360,300
Mountain (MST/MDT)
435
4504 ft
192.6 sq mi
23.8
17,213
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Compare With Nearby Zip Codes
| Metric | 84321 | 84332 | 84326 | 84341 | 84318 | 84335 |
|---|---|---|---|---|---|---|
| City | Logan, UT | Providence, UT | Millville, UT | Logan, UT | Hyde Park, UT | Smithfield, UT |
| Population | 49,811 | 8,680 | 2,041 | 25,791 | 5,468 | 16,278 |
| Median Income | $66,262 | $103,750 | $84,000 | $64,045 | $108,239 | $90,774 |
| Home Value | $360,300 | $478,300 | $478,900 | $403,800 | $501,200 | $403,800 |
| Cost of Living | 101 | 141 | 131 | 109 | 138 | 123 |
| Median Age | 23.8 | 33.9 | 40.6 | 25.6 | 31.3 | 28.2 |
Cost of Living
100 = National Average. Logan's cost of living is 1% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
5.4x
Demographics
Zip code 84321 has a population of 49,811 people with a median age of 23.8. There are 17,213 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Logan (84321) population trend from 2010 to 2024
↓ -29.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
89°F
14°F
17 in
44 in
Logan experiences warm summers with average highs around 89°F. Winters are cold with lows averaging 14°F. With 44 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$360,300
Median Household Income
$66,262
With 17,213 housing units across 192.6 square miles, 84321 has a housing density of 89 units per square mile. The home price-to-income ratio is 5.4x.
Location & Geography
Latitude
41.7177°
Longitude
-111.8365°
Land Area
192.6 sq mi
Water Area
0.9 sq mi
Nearby Zip Codes
Zip codes closest to 84321 (Logan, UT) with distances:
All Zip Codes in Logan, UT
Other zip codes serving Logan:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 84321's $66,262. A way to compare Logan to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 84321 (Logan, UT). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Logan, Utah?
Logan, Utah uses zip code 84321 along with 1 other zip codes.
What county is zip code 84321 in?
Zip code 84321 is located in Cache County, Utah.
What is the population of zip code 84321?
The population of zip code 84321 is 49,811 with a median age of 23.8.
Is 84321 in Logan, Utah?
Yes, zip code 84321 is in Logan, Cache County, Utah. The area code is 435.
Frequently Asked Questions
What city is zip code 84321 in?
Zip code 84321 is in Logan, Utah. It is part of Cache County and uses the Mountain (MST/MDT) timezone.
What is zip code 84321?
Zip code 84321 is a U.S. postal code in Logan, Utah (Cache County). It has a population of 49,811 and covers 192.6 square miles.
What is the population of zip code 84321?
The population of zip code 84321 (Logan, UT) is 49,811 with a median age of 23.8. There are approximately 17,213 housing units in this area.
What is the median income in zip code 84321?
The median household income in zip code 84321 (Logan, UT) is $66,262 per year. The cost of living index is 101 (100 = national average).
What is the average home price in zip code 84321?
The median home value in zip code 84321 (Logan, UT) is $360,300. The cost of living index is 101 compared to the national average of 100.
What county is zip code 84321 in?
Zip code 84321 is located in Cache County, Utah. The primary city is Logan.
What is the area code for zip code 84321?
Zip code 84321 in Logan, UT uses area code 435. It is located in the Mountain (MST/MDT) timezone.
Is zip code 84321 a good place to live?
Zip code 84321 (Logan, UT) has a cost of living index of 101 (100 = national average), a median household income of $66,262, and median home values of $360,300. The median age is 23.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 84321?
The cost of living index for zip code 84321 (Logan, UT) is 101, where 100 represents the national average. This area is above the national average. Median home value: $360,300.
What schools serve zip code 84321?
Zip code 84321 in Logan, Utah is served by the local school district of Cache County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.