Each edition grades its towns against each other only.
More historic than 85% of U.S. towns. What drives it
Its Register listing is the County Line Bridge. Below: maps from 1956 on.
Blue River Township dates its founding to 1828 (Wikipedia’s history). Its post office opened in 1845.
Blue River Township was named from the Blue River, once an important waterway for mills.
More historic than 85% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Blue River Township is more historic than 85% of U.S. towns. All 3 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its National Register listings lowest.
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 Blue River Township’s 5.7 sits near the middle of its state (55% of Indiana towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
Founding year: Wikipedia (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 →
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Blue River Township’s history is told.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological SurveyFrom Wikipedia’s history of Blue River Township.
Blue River was organized in 1828. It was named from the Blue River, once an important waterway for mills.
County Line Bridge was listed on the National Register of Historic Places in 1994.
Text from Wikipedia, licensed CC BY-SA 4.0.
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Every edition of the U.S. Geological Survey’s map of Blue River Township. Tap a year, or press play to watch the town change.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Blue River Township.
The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Nobody well known was born in Blue River Township itself, so here are the best known from just nearby.
Another post office, Westland, opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Each neighbor’s History grade, on the same three inputs.
In 1828, according to Wikipedia’s history of the town. Blue River Township’s post office opened in 1845.
Blue River Township is more historic than 85% 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.
One place: the County Line Bridge (listed 1994).
34% of Blue River Township’s homes were built before 1940 (Census estimate, ±20.0 points), against a typical 14% for an Indiana town; the median home was built in 1957.
What the archives can’t tell you, neighbors can.
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 the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, 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.
