The Los Indios post office opened in 1913, the earliest record of the town by name. Another post office, Carricitos (1908), opened inside today’s town and later closed.
2020 census: 1,008113 years
How historic is Los Indios?
D
More historic than 12% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Los Indios post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Los Indios’ History grade
On its age, its old homes and the National Register, Los Indios is more historic than 12% of U.S. towns. Its share of homes from before 1940 holds the grade up; its age pulls it down.
D
HistoryA character grade: shown, never part of Los Indios’ 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 Los Indios’ 0.0 sits below most of its state (34% of Texas 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 C−. The pre-1940 share is a Census survey estimate (±5.1 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 Los Indios’ past
Read from the archive, the National Register and the record. The page puts what stands out first.
Los Indios is likely named after a Spanish ranch and got its start in the year 1913, following construction of the San Benito and Rio Grande Valley Railway through that territory. Los Indios was incorporated in 1995; as of February 2025, it was the most recent town to be incorporated in Cameron County.
The Los Indios post office opened in 1913, the earliest record of the town by name (U.S. post office records).
How does Los Indios rank for history?
Los Indios is more historic than 12% 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 Los Indios?
5% of Los Indios’ homes were built before 1940 (Census estimate, ±5.1 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 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.