On its age, its old homes and the National Register, Eel Township is among the most historic 1% of U.S. towns, #2 of 593 in Indiana. All 2 inputs put Eel Township near the top nationally; its National Register listings ranks highest.
A+
HistoryA character grade: shown, never part of Eel Township’s overall grade.
Indiana towns list more on the Register than most of the country (a typical Indiana town has 7.9 per 10,000 residents, the U.S. 2.4), so Eel Township’s 629 sits above most of its state (96% of Indiana towns have fewer) while its 1,165 historic buildings outnumber those of 99% of U.S. towns.
How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share is a Census survey estimate (±3.9 points).
Founding year: our sources. Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Eel Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The country’s official list of buildings and places worth saving. One is a National Historic Landmark, the highest tier.
places listed
12
National Historic Landmark
1
none yet
historic buildings protected
1,165
each building in a district counts
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
The story so far
Eel Township, in brief
Wikipedia doesn’t have a history of Eel Township yet. The photos, dates and memories neighbors add here are how it gets written.
Eel Township is one of fourteen townships in Cass County, Indiana. As of the 2020 census, its population was 18,571 (down from 18,767 at 2010) and contained 8,028 housing units.
Its population held steady between the last two censuses: 18,767 in 2010, 18,571 in 2020.
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.
Eel Township is among the most historic 1% of U.S. towns, #2 of 593 in Indiana. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
How old are the homes in Eel Township?
46% of Eel Township’s homes were built before 1940 (Census estimate, ±3.9 points), against a typical 14% for an Indiana town; the median home was built in 1947.
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).
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.