The Hudson Township post office opened in 1835, the earliest record of the town by name. Another post office, Hudson (1835), opened inside today’s town and later closed.
2020 census: 1,832191 years
How historic is Hudson Township?
B+
More historic than 68% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Hudson Township post office (Blevins & Helbock, CC0).
History grade
What drives Hudson Township’s History grade
On its age, its old homes and the National Register, Hudson Township is more historic than 68% 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 Hudson 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 Hudson Township’s 0.0 sits below most of its state (22% of Indiana 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 C+ to A. The pre-1940 share is a Census survey estimate (±15.4 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (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 Hudson Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Hudson Township yet. The photos, dates and memories neighbors add here are how it gets written.
Hudson Township is one of twenty-one townships in LaPorte County, Indiana, United States. As of the 2020 census, its population was 1,832 (down from 1,883 at 2010) and it contained 962 housing units. It contains the census-designated place of Hudson Lake. Hudson Township was established in 1836.
Its first post office opened in 1835. Between the 2010 and 2020 censuses its population fell from 1,883 to 1,832 (-3%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Every edition of the U.S. Geological Survey’s map of Hudson Township. Tap a year, or press play to watch the town change.
1958New Carlisle 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 Hudson Township.
Stories next door
History across the town line
Each neighbor’s History grade, on the same three inputs.
The Hudson Township post office opened in 1835, the earliest record of the town by name (U.S. post office records).
How does Hudson Township rank for history?
Hudson Township is more historic than 68% 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 Hudson Township?
29% of Hudson Township’s homes were built before 1940 (Census estimate, ±15.4 points), against a typical 14% for an Indiana town; the median home was built in 1960.
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 (2), 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.
2021
2021
