Residential delivery area · Utah
ZIP Code 84321: Logan, UT
ZIP code 84321 uses the postal name Logan, Utah and lies entirely in Cache County (Census 2020 ZIP-county file). About 52,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Logan's 3 residential ZIP codes. Median household income is $69,148 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Logan (6%), Nibley (2%) and River Heights (under 1%), and 5% in smaller places; 87% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Logan · 3 residential ZIPs
- County
- Cache County
- Census places
- Logan (6%); Nibley (2%); River Heights (under 1%)
- Metro area
- Logan, UT-ID
- House district
- UT-1 119th Congress
- State
- Utah
- Time zone
- Mountain
- Land area
- 220.1 sq mi · 235 people per sq mi
- PO Box ZIPs
- 84323 also use the name Logan
Where is ZIP code 84321?
84321 centers on 41.775°, -111.713° and covers 220.1 square miles of land plus 0.9 of water. It borders 11 ZIP codes: 84318, 84341, 84332, 84326, 84335, 84319, 84325, 84339, 84028, 83287 and more.
The map draws ZIP code areas only. For the streets inside 84321, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 84321 compare with the rest of Logan?
| Measure | 84321 | In Logan | In Cache County | In UT |
|---|---|---|---|---|
| People (ACS 2020-2024) | 51,702 | 1st of 3 | 1st of 18 | 11th of 298 |
| Median household income | $69k | 2nd of 2 | 10th of 10 | 123rd of 145 |
| Median home value | $401k | 2nd of 2 | 9th of 11 | 107th of 153 |
Its median household income is higher than in 45% of U.S. residential ZIP codes, and it is denser than 64% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 84321?
The 2020 Census counted 49,550 people in 84321; the ACS, which samples households over 2020-2024, estimates 51,702. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 51,702
- 2020 Census count
- 49,550
- Households
- 16,505
- Median age
- 23.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 84321?
Of the 51,702 people the ACS estimates in 84321, 24.7% are under 18 and 6.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (76.6%), then Hispanic or Latino (14.1%).
- Under 1824.7%
- 18 to 6468.8%
- 65 and older6.5%
- White, not Hispanic76.6%
- Hispanic or Latino14.1%
- Other or two or more5.4%
- Asian, not Hispanic2.5%
- Black, not Hispanic1.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 84321 earn?
Median household income is $69,148 (ACS 2020-2024), the 10th highest of the 10 ranked ZIP codes in Cache County.
- Median household income
- $69,148
- Income per person
- $28,288
- Below the poverty line
- 17.2%
- Unemployed (of the labor force)
- 3.2%
- Adults 25+ with a bachelor's degree
- 40.1%
- Adjusted gross income per tax return, 2022
- $70,03719,460 returns; wages 67% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 84321?
FHFA's house price index for 84321, built from repeat sales and appraisals of the same homes, rose 137% from 2015 to 2025 and rose 58% from 2020 to 2025, and moved +2.3% in 2025.
- Median home value (owners' estimate)
- $400,500
- Median gross rent
- $1,128
- Homes owned by their occupants
- 49.0%
- Housing units
- 17,663
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 84321?
1,628 business establishments had a location in this ZIP code in 2023, 163 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services241
- Construction223
- Retail trade190
- Health care and social assistance146
- Real estate and rental and leasing118
- Other services (except public administration)117
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 84321?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 84318 | Hyde Park | 5,604 | $113k | 5.1 mi |
| 84341 | Logan | 25,560 | $69k | 5.1 mi |
| 84332 | Providence | 8,954 | $118k | 7.1 mi |
| 84326 | Millville | 1,949 | $92k | 8.9 mi |
| 84335 | Smithfield | 16,210 | $98k | 9.4 mi |
| 84319 | Hyrum | 10,931 | $89k | 12.8 mi |
| 84325 | Mendon | 2,525 | $116k | 14.9 mi |
| 84339 | Wellsville | 6,295 | $113k | 15.6 mi |
| 84028 | Garden City | 632 | $47k | 20.1 mi |
| 83287 | Fish Haven, ID | 255 | $102k | 21.5 mi |
| 83263 | Preston, ID | 9,940 | $63k | 28.2 mi |
| 84322 | Logan | 0 | – | 5.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.