Greensburg’s post office opened in 1833, and 2 of its places are on the National Register
Most of Greensburg was built recently: 10% of its homes predate 1940 and the median home dates from 1974. Its Register listings are the Greensburg Land Office and the Old St. Helena Parish Jail. Below: 4 old photos and papers, maps from 1950 on, and the census since 1870.
Wikipedia doesn’t have a history of Greensburg yet. The photos, dates and memories neighbors add here are how it gets written.
Greensburg is a town in, and the parish seat of, St. Helena Parish, Louisiana, United States. The population was 629 in 2020. It is part of the Baton Rouge metropolitan statistical area. Greensburg is one of the oldest towns in Louisiana. It has two 19th-century properties listed on the National Register of Historic Places, the old land office and the old parish jail.
Its first post office opened in 1833. Between the 2010 and 2020 censuses its population fell from 718 to 629 (-12%).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
Greensburg, decade by decade
2 decades in the archive, from the 1930s to the 1980s. Scroll each row; tap a photo for its story.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
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). How TownRatings grades history →
From Wikimedia Commons (6), Wikidata (2), the National Register of Historic Places (2), Wikidata and Wikipedia for famous people, 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.