On its age, its old homes and the National Register, Bayou Blue is more historic than 14% of U.S. towns, #124 of 161 in Louisiana. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
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HistoryA character grade: shown, never part of Bayou Blue’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 Bayou Blue’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 two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share is a Census survey estimate (±4.3 points).
Founding year: our sources. 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 Bayou Blue’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Bayou Blue. Tap a year, or press play to watch the town change.
1892Houma sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Bayou Blue.
Places that used to be
Old corners, places now gone and burying grounds
Old hamlets and crossroads still carry their names on the map.
Hamlets and corners on the map
Brien's Mobile VillageCapri Court Mobile Home ParkFloyd Court Mobile Home ParkSavoie
Gone or out of use
Bayou Blue SchoolschoolBayou Blue SchoolschoolBergeron SchoolschoolBourg Gas FieldoilfieldPorche Schoolschool
1cemetery inside Bayou Blue
Matherne
Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Bayou Blue, in brief
Wikipedia doesn’t have a history of Bayou Blue yet. The photos, dates and memories neighbors add here are how it gets written.
Bayou Blue is a metropolitan area in Lafourche and Terrebonne parishes, Louisiana, United States. As of the 2020 census, Bayou Blue had a population of 13,352. In June 1981, an arson attack on a local nightclub killed five people.
Between the 2010 and 2020 censuses its population grew from 12,352 to 13,352 (+8%).
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.
Bayou Blue is more historic than 14% of U.S. towns, #124 of 161 in Louisiana. 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 Bayou Blue?
4% of Bayou Blue’s homes were built before 1940 (Census estimate, ±4.3 points), against a typical 3.4% for a Louisiana town; the median home was built in 1996.
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 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.
