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County ZIP codes · Utah · FIPS 49003

Box Elder County, UT ZIP Codes

Box Elder County, Utah has 19 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 18 of the residential ones lie mainly in Box Elder County and 1 mainly in a neighboring county; 1 cross the county line. Median household income ranges from $79,706 in 84302 (Brigham City) to $142,188 in 84324 (Mantua) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Box Elder County?

83342 · Malta: $57k84301 · Bear River City: $90k84302 · Brigham City: $80k84306 · Collinston: $121k84307 · Corinne: $80k84309 · Deweyville: $100k84311 · Fielding: $78k84312 · Garland: $83k84313 · Grouse Creek: –84314 · Honeyville: $88k84316 · Howell: $88k84324 · Mantua: $142k84329 · Park Valley: –84330 · Plymouth: $87k84331 · Portage: $66k84334 · Riverside: –84336 · Snowville: $89k84337 · Tremonton: $82k84340 · Willard: $108k843138430783342843298433684337843318430284340843308431283342 · Malta: $57k84301 · Bear River City: $90k84302 · Brigham City: $80k84306 · Collinston: $121k84307 · Corinne: $80k84309 · Deweyville: $100k84311 · Fielding: $78k84312 · Garland: $83k84313 · Grouse Creek: –84314 · Honeyville: $88k84316 · Howell: $88k84324 · Mantua: $142k84329 · Park Valley: –84330 · Plymouth: $87k84331 · Portage: $66k84334 · Riverside: –84336 · Snowville: $89k84337 · Tremonton: $82k84340 · Willard: $108k8431384307833428432984336843378433184302843408433083342 · Malta: $57k84301 · Bear River City: $90k84302 · Brigham City: $80k84306 · Collinston: $121k84307 · Corinne: $80k84309 · Deweyville: $100k84311 · Fielding: $78k84312 · Garland: $83k84313 · Grouse Creek: –84314 · Honeyville: $88k84316 · Howell: $88k84324 · Mantua: $142k84329 · Park Valley: –84330 · Plymouth: $87k84331 · Portage: $66k84334 · Riverside: –84336 · Snowville: $89k84337 · Tremonton: $82k84340 · Willard: $108k8431384307833428432984336843378433184340
The residential ZIP codes of Box Elder County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $80,441 and $83,088.

They carry 19 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 19 residential ZIP codes in Box Elder County

18 ZIP codes lie mainly in Box Elder County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Box Elder County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
84302 Brigham City 27,053 340 $80k $392k 100%
84337 Tremonton 16,199 97 $82k $393k 100%
84312 Garland 4,857 195 $83k $398k 100%
84340 Willard 3,744 116 $108k $498k 100%
84324 Mantua 1,677 76 $142k $607k 100%
84307 Corinne 1,356 2 $80k $402k 100%
84311 Fielding 1,013 114 $78k $454k 100%
84314 Honeyville 964 124 $88k $451k 100%
84301 Bear River City 889 315 $90k $433k 100%
84309 Deweyville 871 101 $100k $484k 100%
84306 Collinston 521 23 $121k $450k 100%
84336 Snowville 481 1 $89k – 100%
84329 Park Valley 424 1 – $284k 100%
84330 Plymouth 364 10 $87k $403k 100%
84316 Howell 288 8 $88k $263k 100%
84331 Portage 245 2 $66k $352k 100%
84334 Riverside 180 400 – – 100%
84313 Grouse Creek no residents 0 – – 100%

Partly in Box Elder County

Residential ZIP codes mainly in another county that reach at least 1% into Box Elder County, by their share here
In this county
83342 Malta 1,231 1 $57k $224k 13%

Download the 19 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

1 ZIP code of Box Elder County extends into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Box Elder County and in the neighboring counties
ZIPIn Box ElderElsewhere
8334213%Cassia County65%; Oneida County21%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Box Elder County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Box Elder County's ZIP codes use 2 prefixes: 833 and 843.

Three-digit prefixes of Box Elder County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Box Elder County's
PrefixSectional centerHereAll codes
833Boise, ID (SCF 836)139
843Salt Lake City, UT (SCF 840)1840

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.