Residential delivery area · Utah
ZIP Code 84324: Mantua, UT
ZIP code 84324 uses the postal name Mantua, Utah and lies entirely in Box Elder County (Census 2020 ZIP-county file). About 1,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $142,188 (Census Bureau, ACS 2020-2024). By Census place, 22% of its land lies in Mantua; 78% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Mantua · its only residential ZIP
- County
- Box Elder County
- Census places
- Mantua
- Micro area
- Brigham City, UT-ID
- House district
- UT-1 119th Congress
- State
- Utah
- Time zone
- Mountain
- Land area
- 22.0 sq mi · 76 people per sq mi
Where is ZIP code 84324?
84324 centers on 41.494°, -111.941° and covers 22.0 square miles of land plus 0.8 of water. It borders 4 ZIP codes: 84328, 84302, 84339, 84310.
The map draws ZIP code areas only. For the streets inside 84324, 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 84324 compare with the rest of Box Elder County?
| Measure | 84324 | In Box Elder County | In UT |
|---|---|---|---|
| People (ACS 2020-2024) | 1,677 | 5th of 19 | 143rd of 298 |
| Median household income | $142k | 1st of 6 | 6th of 145 |
| Median home value | $607k | 1st of 7 | 35th of 153 |
Its median household income is higher than in 95% of U.S. residential ZIP codes, and it is denser than 49% 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 84324?
The 2020 Census counted 1,128 people in 84324; the ACS, which samples households over 2020-2024, estimates 1,677. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,677±288 (90% margin)
- 2020 Census count
- 1,128
- Households
- 436
- Median age
- 30.0
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 84324?
Of the 1,677 people the ACS estimates in 84324, 37.6% are under 18 and 12.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.3%).
- Under 1837.6%
- 18 to 6449.5%
- 65 and older12.9%
- White, not Hispanic92.3%
- Hispanic or Latino4.1%
- Black, not Hispanic1.8%
- Other or two or more1.4%
- Asian, not Hispanic0.4%
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 84324 earn?
Median household income is $142,188 (ACS 2020-2024), the highest of the 6 ranked ZIP codes in Box Elder County.
- Median household income
- $142,188
- Income per person
- $41,290
- Below the poverty line
- 2.4%
- Unemployed (of the labor force)
- 2.1%
- Adults 25+ with a bachelor's degree
- 41.4%
- Adjusted gross income per tax return, 2022
- $121,093570 returns; wages 58% 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 84324?
FHFA's house price index for 84324, built from repeat sales and appraisals of the same homes, rose 85% from 2015 to 2025 and rose 31% from 2020 to 2025, and moved −12.3% in 2025.
- Median home value (owners' estimate)
- $607,100
- Median gross rent
- $2,000
- Homes owned by their occupants
- 97.2%
- Housing units
- 473
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 84324?
24 business establishments had a location in this ZIP code in 2023, 11 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction6
- Professional, scientific, and technical services6
- Administrative and support and waste management and remediation services3
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 84324?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 84328 | Paradise | 1,681 | $114k | 5.9 mi |
| 84302 | Brigham City | 27,053 | $80k | 8.5 mi |
| 84339 | Wellsville | 6,295 | $113k | 9.0 mi |
| 84310 | Eden | 4,577 | $130k | 12.0 mi |
| 84414 | Ogden | 34,334 | $115k | 11.6 mi (near) |
| 84301 | Bear River City | 889 | $90k | 12.7 mi (near) |
| 84314 | Honeyville | 964 | $88k | 13.3 mi (near) |
| 84340 | Willard | 3,744 | $108k | 13.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.