Founding year: the first Erwinville post office (Blevins & Helbock, CC0).
History grade
What drives Erwinville’s History grade
On its age, its old homes and the National Register, Erwinville is more historic than 11% of U.S. towns. Its age holds the grade up; its share of homes from before 1940 pulls it down.
D
HistoryA character grade: shown, never part of Erwinville’s overall grade.
Louisiana towns list more on the Register than most of the country (a typical Louisiana town has 3.8 per 10,000 residents, the U.S. 2.4), so Erwinville’s 0.0 sits below most of its state (21% of Louisiana 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 D− to D. The pre-1940 share (±1.6 points) is firm at this size. 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 Erwinville’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 Erwinville yet. The photos, dates and memories neighbors add here are how it gets written.
Erwinville is an unincorporated community and census-designated place in West Baton Rouge Parish, Louisiana, United States. As of the 2020 census, Erwinville had a population of 2,275. U.S. Route 190 passes through the community.
Its first post office opened in 1895. Between the 2010 and 2020 censuses its population grew from 2,192 to 2,275 (+4%).
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.
Every edition of the U.S. Geological Survey’s map of Erwinville. Tap a year, or press play to watch the town change.
1954Erwinville 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 Erwinville.
Questions about Erwinville’s history
What year was Erwinville founded?
The Erwinville post office opened in 1895, the earliest record of the town by name (U.S. post office records).
How does Erwinville rank for history?
Erwinville is more historic than 11% 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 Erwinville?
0.0% of Erwinville’s homes were built before 1940 (Census estimate, ±1.6 points), against a typical 3.4% for a Louisiana town; the median home was built in 1985.
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, 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.
