History · Hennepin

Hennepin’s history is
mostly unwritten

The public archives hold no old photos of Hennepin. The rest are in attics, shoeboxes and the historical society. Help start the collection.

1837established
0old images & papers
2historic places
4recent photos

The story

from WikipediaRead it all ↗

The Village of Hennepin was named for the explorer, Louis Hennepin.

The Putnam County Courthouse, in Hennepin, was built in 1837, and is the oldest county courthouse in Illinois still serving its original purpose. Abraham Lincoln visited the courthouse, including when he campaigned for a Congressional seat in September 1845. The Putnam County Courthouse is listed on the National Register of Historic Places.

Text from Wikipedia, licensed CC BY-SA 4.0.

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The first neighbors to add old photos shape how Hennepin’s history is told.

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Famous people from Hennepin

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By decade

Hennepin, decade by decade

Before
2000
No old photos in the archives yetWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
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National Register of Historic Places

2 historic places in Hennepin

2 places in Hennepin are on the National Register of Historic Places, the country’s official list of buildings and places worth saving.

#128
In Illinoisby listings · most towns there have none
2places listed2 buildings
0National Historic LandmarksNone here yet
2historic buildings protectedcounting each building in a district
1975first listedPutnam County Courthouse · newest: Edward Pulsifer House, 1979

Where they are

Tap a dot for a photo and link. Districts show at their center.
Buildings

Architectural styles

From each listing’s National Archives record · 1 of 2 name a style
Federal Style1

When they were listed

The Register began in 1966.
National Park Service, National Register of Historic Places (05/22/2026) · styles from the National Archives catalog · photos from Wikimedia Commons, credited on each place

Then & now

When neighbors add old photos, retakes from the same spot appear here side by side.

Stories next door

nearby towns’ history

From Wikimedia Commons (4) and the National Register (2). Images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.

We left the porch light on

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01