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County ZIP codes · Michigan · FIPS 26003

Alger County, MI ZIP Codes

Alger County, Michigan has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 9 of the residential ones lie mainly in Alger County and 4 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $61,340 in 49862 (Munising) to $81,172 in 49885 (Skandia) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Alger County?

49806 · Au Train: $86k49816 · Chatham: $71k49822 · Deerton: $58k49825 · Eben Junction: $77k49826 · Rumely: $61k49839 · Grand Marais: $47k49862 · Munising: $61k49878 · Rapid River: $71k49883 · Seney: $53k49884 · Shingleton: $60k49885 · Skandia: $81k49891 · Trenary: $46k49895 · Wetmore: $47k4987849884498834989549839498624988549806498164982249891498254982649806 · Au Train: $86k49816 · Chatham: $71k49822 · Deerton: $58k49825 · Eben Junction: $77k49826 · Rumely: $61k49839 · Grand Marais: $47k49862 · Munising: $61k49878 · Rapid River: $71k49883 · Seney: $53k49884 · Shingleton: $60k49885 · Skandia: $81k49891 · Trenary: $46k49895 · Wetmore: $47k4987849884498834989549839498624988549806498164989149806 · Au Train: $86k49816 · Chatham: $71k49822 · Deerton: $58k49825 · Eben Junction: $77k49826 · Rumely: $61k49839 · Grand Marais: $47k49862 · Munising: $61k49878 · Rapid River: $71k49883 · Seney: $53k49884 · Shingleton: $60k49885 · Skandia: $81k49891 · Trenary: $46k49895 · Wetmore: $47k4987849884498834989549839498624988549806
The residential ZIP codes of Alger 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?

They carry 13 postal town names.

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

All 13 residential ZIP codes in Alger County

9 ZIP codes lie mainly in Alger County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Alger County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
49862 Munising 4,546 27 $61k $169k 100%
49816 Chatham 666 12 $71k $171k 100%
49884 Shingleton 634 3 $60k $164k 56%
49806 Au Train 605 17 $86k $282k 100%
49891 Trenary 548 8 $46k $126k 100%
49825 Eben Junction 328 13 $77k $214k 100%
49822 Deerton 214 4 $58k $284k 98%
49826 Rumely 214 15 $61k $336k 100%
49839 Grand Marais 198 1 $47k $164k 100%

Partly in Alger County

Residential ZIP codes mainly in another county that reach at least 1% into Alger County, by their share here
In this county
49895 Wetmore 840 4 $47k $180k 44%
49883 Seney 234 1 $53k $185k 19%
49885 Skandia 1,947 13 $81k $241k 16%
49878 Rapid River 3,329 7 $71k $177k 3%

Download the 13 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?

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

Share of each ZIP code's land in Alger County and in the neighboring counties
ZIPIn AlgerElsewhere
498783%Delta County97%
4988516%Marquette County84%
4989544%Delta County50%; Schoolcraft County6%
4988456%Schoolcraft County44%
4988319%Schoolcraft County81%
4982298%Marquette County2%

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

Which first three digits do Alger County'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 Alger County starts with 498.

Three-digit prefixes of Alger 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 Alger County's
PrefixSectional centerHereAll codes
498Iron Mountain, MI (SCF 498)1368

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