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County ZIP codes · Wisconsin · FIPS 55121

Trempealeau County, WI ZIP Codes

Trempealeau County, Wisconsin has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 11 of the residential ones lie mainly in Trempealeau County and 3 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $67,930 in 54758 (Osseo) to $95,549 in 54630 (Galesville) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Trempealeau County?

54612 · Arcadia: $78k54616 · Blair: $72k54625 · Dodge: $53k54627 · Ettrick: $77k54630 · Galesville: $96k54642 · Melrose: $74k54659 · Taylor: $72k54661 · Trempealeau: $80k54738 · Eleva: $95k54747 · Independence: $71k54758 · Osseo: $68k54760 · Pigeon Falls: $89k54770 · Strum: $84k54773 · Whitehall: $72k5475854612547475464254616546275463054738546615465954773547705462554612 · Arcadia: $78k54616 · Blair: $72k54625 · Dodge: $53k54627 · Ettrick: $77k54630 · Galesville: $96k54642 · Melrose: $74k54659 · Taylor: $72k54661 · Trempealeau: $80k54738 · Eleva: $95k54747 · Independence: $71k54758 · Osseo: $68k54760 · Pigeon Falls: $89k54770 · Strum: $84k54773 · Whitehall: $72k54758546125474754642546165462754630547385466154659547735477054612 · Arcadia: $78k54616 · Blair: $72k54625 · Dodge: $53k54627 · Ettrick: $77k54630 · Galesville: $96k54642 · Melrose: $74k54659 · Taylor: $72k54661 · Trempealeau: $80k54738 · Eleva: $95k54747 · Independence: $71k54758 · Osseo: $68k54760 · Pigeon Falls: $89k54770 · Strum: $84k54773 · Whitehall: $72k5475854612547475464254616546275463054738546595477354770
The residential ZIP codes of Trempealeau 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 $71,477 and $79,720.

They carry 14 postal town names.

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

All 14 residential ZIP codes in Trempealeau County

11 ZIP codes lie mainly in Trempealeau County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Trempealeau County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
54612 Arcadia 5,915 39 $78k $196k 72%
54758 Osseo 4,577 29 $68k $220k 53%
54630 Galesville 4,261 53 $96k $272k 100%
54661 Trempealeau 3,806 74 $80k $268k 100%
54773 Whitehall 3,542 51 $72k $179k 100%
54747 Independence 2,690 23 $71k $193k 63%
54616 Blair 2,443 26 $72k $181k 87%
54770 Strum 2,033 31 $84k $227k 73%
54627 Ettrick 2,020 24 $77k $224k 88%
54625 Dodge 317 49 $53k $182k 100%
54760 Pigeon Falls 190 1,250 $89k $211k 100%

Partly in Trempealeau County

Residential ZIP codes mainly in another county that reach at least 1% into Trempealeau County, by their share here
In this county
54738 Eleva 3,784 38 $95k $290k 45%
54642 Melrose 2,259 25 $74k $211k 4%
54659 Taylor 1,257 22 $72k $191k 2%

Download the 14 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?

9 ZIP codes of Trempealeau County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Trempealeau County and in the neighboring counties
ZIPIn TrempealeauElsewhere
5461272%Buffalo County 28%
5475853%Jackson County 25%; Eau Claire County 23%
5473845%Eau Claire County 54%; Buffalo County 1%
5474763%Buffalo County 37%
5461687%Jackson County 13%
546424%Jackson County 93%; La Crosse County 3%
5477073%Eau Claire County 27%
5462788%Jackson County 12%
546592%Jackson County 98%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Trempealeau County's ZIP codes use 2 prefixes: 546 and 547.

Three-digit prefixes of Trempealeau 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 Trempealeau County's
PrefixSectional centerHereAll codes
546 St Paul, MN (SCF 550) 8 59
547 Eau Claire, WI (SCF 547) 6 55

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