Jourdanton’s post office opened in 1909, and 1 of its places is on the National Register
More historic than 26% of U.S. towns · #286 of 642 in Texas. What drives it
Most of Jourdanton was built recently: 5% of its homes predate 1940 and the median home dates from 1992. Its Register listing is the Atascosa County Courthouse. Below: maps from 1956 on and the census since 1920.
Founding year: the first Jourdanton post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Jourdanton’s History grade
On its age, its old homes and the National Register, Jourdanton is more historic than 26% of U.S. towns, #286 of 642 in Texas. Its National Register listings hold the grade up; its age pulls it down.
C
HistoryA character grade: shown, never part of Jourdanton’s overall grade.
Few Texas towns list much on the Register (a typical Texas town has 0.0 per 10,000 residents, the U.S. 2.4), so Jourdanton’s 2.3 sits above most of its state (77% of Texas towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from D to C+. The pre-1940 share is a Census survey estimate (±3.7 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 Jourdanton’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The Jourdanton post office opened in 1909, the earliest record of the town by name (U.S. post office records).
How does Jourdanton rank for history?
Jourdanton is more historic than 26% of U.S. towns, #286 of 642 in Texas. 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.
What is on the National Register in Jourdanton?
One place: the Atascosa County Courthouse (listed 1997).
How old are the homes in Jourdanton?
5% of Jourdanton’s homes were built before 1940 (Census estimate, ±3.7 points), against a typical 1.6% for a Texas town; the median home was built in 1992.
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 (6), the National Register of Historic Places (1), Wikipedia, 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.