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History · Isle Harbor Township

13% of Isle Harbor Township’s homes were built before 1940

Below: maps from 1985 on.

0on the National Register
13%homes built before 1940
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What stands out about Isle Harbor Township’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

A history waiting to be writtenNo old photos of Isle Harbor Township are in the public archives yet. The rest are in attics and albums.
★ What stands out · Help out

Start Isle Harbor Township’s collection

The first neighbors to add old photos shape how Isle Harbor Township’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
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The story so far

Isle Harbor Township, in brief

Wikipedia doesn’t have a history of Isle Harbor Township yet. The photos, dates and memories neighbors add here are how it gets written.

Isle Harbor Township is a township in Mille Lacs County, Minnesota, United States. The population was 593 at the 2010 census. Isle Harbor Township was named for the island near its harbor on Mille Lacs Lake.

Between the 2010 and 2020 censuses its population fell from 593 to 557 (-6%).

Intro from Wikipedia. Population: U.S. Census Bureau.

By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

Be the first to add onePhotograph a print flat, in daylight, no flash.
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On the map

Isle Harbor Township on the map in 1985

The U.S. Geological Survey’s map of Isle Harbor Township.

Isle Harbor Township on the 1985 USGS map1985Mille Lacs Lake sheet · 1:100,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Isle Harbor Township.

Famous people

Famous people close to Isle Harbor Township

Nobody well known was born in Isle Harbor Township itself, so here are the best known from just nearby.

See all →
J
John E. OsbornMathematician · b. 1936
L
Leonard ShoenFounder of U-Haul Company and Amerco Inc. · b. 1916
J
Jim LindAmerican football player and coach · b. 1947
Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

IsleIts storynot graded: under 1,000 residents or part of its townSouth Harbor TownshipIts storynot graded: under 1,000 residents or part of its townHay Brook TownshipIts storynot graded: under 1,000 residents or part of its townEast Side TownshipIts storynot graded: under 1,000 residents or part of its townLewis TownshipIts storynot graded: under 1,000 residents or part of its townIdun TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Isle Harbor Township’s history

Memory lane

What the archives can’t tell you, neighbors can.

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Sources

Where this page comes from

Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →

From U.S. Geological Survey historical maps and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.