Founding year: Wikidata; Wikipedia’s history section gives the same year. First post office: 1836.The full story ↓
History grade
What drives Rochester Township’s History grade
On its age, its old homes and the National Register, Rochester Township is more historic than 92% of U.S. towns, #129 of 593 in Indiana. All 3 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its age lowest.
A
HistoryA character grade: shown, never part of Rochester 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 Rochester Township’s 45.4 sits above most of its state (74% of Indiana towns have fewer) while its 46 historic buildings outnumber those of 84% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from A− to A. The pre-1940 share is a Census survey estimate (±4.8 points). Two sources give 1835.
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 Rochester Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Rochester was laid out in 1835. The founder Alexander Chamberlain named it for his former hometown of Rochester, New York. The Rochester post office was established in 1836.
The Lyman M. Brackett House, Fulton County Courthouse, Rochester Downtown Historic District, and John W. Smith House are listed on the National Register of Historic Places. The formerly listed Germany Bridge was located nearby. The Wideman-Gerig Round Barn is in use at the Round Barn Golf Club in Rochester.
In 1967, the most complete known specimen of the extinct bear Arctodus was found in a cornfield near Rochester.
Every edition of the U.S. Geological Survey’s map of Rochester Township. Tap a year, or press play to watch the town change.
1962Rochester sheet · 1:24,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Rochester Township.
On the National Register
4 listings protect 46 historic buildings
The country’s official list of buildings and places worth saving.
places listed
4
National Historic Landmarks
0
none yet
historic buildings protected
46
each building in a district counts
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
People over time
Rochester Township, census by census
Between 283 and 6,414 people in every census since 1850.
18 censuses, 1850–2020.
U.S. Census Bureau decennial counts, from the census table on Rochester Township’s Wikipedia page.
Stories next door
History across the town line
Each neighbor’s History grade, on the same three inputs.
In 1835, according to Wikidata and Wikipedia’s history of the town. Rochester Township’s post office opened in 1836, and the census of 1850 counted 283 people here.
How does Rochester Township rank for history?
Rochester Township is more historic than 92% of U.S. towns, #129 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 Rochester Township?
28% of Rochester Township’s homes were built before 1940 (Census estimate, ±4.8 points), against a typical 14% for an Indiana town; the median home was built in 1967.
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 (30), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) 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.