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City ZIP codes · Utah

Logan, UT ZIP Codes

4 ZIP codes use the postal name Logan, Utah (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 1 for PO boxes or a single organization. Median household income runs from $69,148 in 84321 to $69,310 in 84341 (Census Bureau, ACS 2020-2024). Logan's most populous ZIP code is 84321, with 51,702 people (ACS 2020-2024); 6% of its land is in the city of Logan.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Logan's ZIP codes?

84321: $69k median household income84322: – median household income84341: $69k median household income843218434184321: $69k median household income84322: – median household income84341: $69k median household income843218434184321: $69k median household income84322: – median household income84341: $69k median household income8432184341
The 3 residential ZIP codes named Logan, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$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 Logan's ZIP codes?

The highest median household income is in 84341 ($69,310), the lowest in 84321 ($69,148). Home values run from $400,500 in 84321 to $465,700 in 84341.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 3 residential ZIP codes of Logan

Residential ZIP codes with the postal name Logan, UT, largest first (ACS 2020-2024); sort by any column
County
84321 Cache County 51,702 235 $69k $401k
84341 Cache County 25,560 2,393 $69k $466k
84322 Cache County no residents 0 – –

Download the 4 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Logan

1 ZIP code named Logan has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Logan, UT: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
84323Cache County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Logan's ZIP codes reach?

Logan's residential ZIP codes lie in Cache County.

Which places do Logan's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Logan's residential ZIP codes cover Logan itself and 3 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

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

Which first three digits do Logan's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Logan starts with 843.

Three-digit prefixes of Logan'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 Logan's
PrefixSectional centerHereAll codes
843 Salt Lake City, UT (SCF 840) 4 40

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