Founding year: Wikidata; Wikipedia’s history section gives the same year. First post office: 1832.The full story ↓
History grade
What drives Cassopolis’ History grade
On its age, its old homes and the National Register, Cassopolis is more historic than 73% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
B+
HistoryA character grade: shown, never part of Cassopolis’ overall grade.
Few Michigan towns list much on the Register (a typical Michigan town has 0.0 per 10,000 residents, the U.S. 2.4), so Cassopolis’ 0.0 sits below most of its state (32% of Michigan towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from B− to A. The pre-1940 share is a Census survey estimate (±6.7 points). Two sources give 1831.
Founding year: Wikidata (other dates in Quick answers). 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 Cassopolis’ past
Read from the archive, the National Register and the record. The page puts what stands out first.
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.
Cassopolis was platted by European Americans in 1831. It had already been designated the county seat by that point. It was incorporated as a village in 1863. The county developed farming and some industry.
Cassopolis was a transit point on the Underground Railroad, by which sympathizers aided refugee slaves from the South to gain freedom in the North and in Canada. Some refugees continued through Michigan to settle in Canada in order to avoid risk under the 1850 Fugitive Slave Act, which increased incentives for capture. Others remained in the area, with many African-Americans and people of mixed African-American and Sapponi and Pumenkey ancestry settling in Cass County.
Passages that mention Cassopolis, cut from the printed page as they were published.
A twentieth century history of Cass County, Michigan1906 · page 545Read the page →
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paying for it at the rate of six dollars per month. For four years Mr. Lincoln was in the employ of Charles Jones at farm labor. He was a carpenter by trade and he built the first union schoolhouse in Cassopolis. He also laid out the plan from draft and put in the foundation for the Custard House in Cassopolis and prior to that he built a sawmill in Penn township, after which he operated it for a number of years or until it was destroyed by fire. He thus figured prominently in industrial interests in the county. Rebuilding his mill he con-
Text read by machine from the scan; it may contain errors.
History of Cass county, Michigan1882 · page 161Read the page →
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. Cassopolis was incorporated in 18(5 i, under the authority of the Board of Supervisors of Ca,ss County, and in accordance with the provisions of a general " Act to provide for the incorporation of villages" approved Feb. 17, 1857. The following petition, signed by a number of citizens, accompatiied liv a report of a special census of Cassopolis, showing ihir population to be 475 (exceeding the requirement], was
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A twentieth century history of Cass County, Michigan1906 · page 336Read the page →
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man of abnnt thirty, had attained the prominence befitting the incumbent of tlie offices of prosecuting attorney, probate judge and district surveyor of Cass county, and who was also one of the founders of the village of Cassopolis. There was no minister in Cassopolis at that time, and as the bride desired the cerem<iny to be ]3erformed according to the Episcopal rites, the matter of finding the proper minister threatened to be a serious olistacle. Haiipily, it was learned that Bishop Philander Chase li;id recently located at Gilead in Branch county, and thither Mr.
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at irregular intervals at private and school houses, with no regular place of worship. The schoolhouse at Vandalia long did service in this capacity, for many years the minister in charge at Cassopolis serving them as pastor. In the fall of 1876, the church was re-organized by Rev. J. W. H. Carlyle, the first Trustees elected being John Lutes, A. Bristol, William F. Bort, Isaac ReifT, L. Osborn. In 1877, the
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
By decade
Cassopolis, decade by decade
2 decades in the archive, from the 1920s to the 1970s. Scroll each row; tap a photo for its story.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
In 1831, according to Wikidata and Wikipedia’s history of the town. Cassopolis’ post office opened in 1832, and the census of 1850 counted 379 people here.
How does Cassopolis rank for history?
Cassopolis is more historic than 73% of U.S. towns. 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 Cassopolis?
32% of Cassopolis’ homes were built before 1940 (Census estimate, ±6.7 points), against a typical 12% for a Michigan town; the median home was built in 1957.
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 Wikimedia Commons (10), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), Sanborn fire insurance maps (Library of Congress) and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.