ZIP Codes of Alger County, MI

Population & People
Population & People
Total Population
8,793
Household Income
Household Income
Median Income
$61,482
Housing
Housing
Total Housing Units
6,566
Business & Economy
Business & Economy
Total Businesses
220
Employment
Employment
Employment Rate
38.44%
Education
Education
Bachelor's Degree+
20.27%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 10 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:10 ZIP Codes (7 Standard, 3 PO Box, 0 Unique) [See All]
Area Code:906
Timezone:Eastern (GMT -05:00)
Local Time:11:53:48 PM
Population:8,793 [See All]
FIPS:26003
Land Area:978 sq mi
Water Area:112 sq mi
Coordinates:46.3761, -86.7512
Quick Link:
https://www.zip-codes.com/county/mi-alger.asp
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Striking education divide
Bachelor's share spans 0.6% to 48.3% — a 48-point gap.
Owner-dominated county
Just 14.7% of homes are rentals — strong homeownership culture.

Standout ZIPs in this County


Most Populous
Munising · 4,546 people
51.7% of county total
Highest Income
Au Train · $85,625 median
1.4× county average
Largest Land Area
Wetmore · 276.1 sq mi
Spans the most ground
Fastest Growth
Munising · -3.9% (10-yr)
4,729 → 4,546 residents
Most Educated
Munising · 20.8% bachelor's+
746 of 3,591 adults 25+

Things worth knowing about Alger County


8,793 residents live across 10 ZIPs covering 978 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 9,340 to 8,793 from 2014 to 2024 — a -5.9% change. 4 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 49806 (Au Train, $85,625 median) and poorest ZIP 49891 (Trenary, $46,063) are 14.5 miles apart — a 1.9× income gap across local geography.

Median home values vary 2.7× across this county — from $126,300 in 49891 (Trenary) to $335,700 in 49826 (Rumely ).

Density varies 10× across the county — from 3 people/sq mi in 49884 (Shingleton) to 24 in 49862 (Munising).

Educational attainment ranges from 0.6% bachelor's+ in 49884 (Shingleton) to 48.3% in 49822 (Deerton) — the breadth of educational profiles across the area.

Within Michigan, this is the #78 most populous of 83 counties and ranks #54 for median household income .

Weighted by population, the typical household earns about $61,516 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.3% of adults age 25+ hold a bachelor's degree or higher (1,404 of 6,928 reporting).

7 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Alger County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
978
square miles
Avg density
9.0
people per sq mi
Population
8,793
across 10 ZIPs
Wetmore
276.1 sq mi
840 residents
Shingleton
251.8 sq mi
634 residents
Munising
186.4 sq mi
4,546 residents

Population decline

Alger County lost 5.9% of residents between 2014 and 2024. ZIPs that shed the largest share:

Trenary
-25.0%
731 → 548 residents
Chatham
-14.3%
777 → 666 residents
Wetmore
-11.5%
949 → 840 residents

All ZIP Codes in Alger County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
49862MunisingStandard4,546$61,340186.4-3.9%
49895WetmoreStandard840$47,115276.1-11.5%
49816ChathamStandard666$70,75044.6-14.3%
49884ShingletonStandard634$60,063251.831.8%
49806Au TrainStandard605$85,62533.99.0%
49891TrenaryStandard548$46,06376.3-25.0%
49825Eben JunctionPO Box328$77,25030.522.8%
49826RumelyPO Box214$61,1070.016.9%
49822DeertonStandard214$58,21458.6-33.7%
49839Grand MaraisPO Box198$47,29220.4-42.6%

Adjacent & Nearby Counties