The area, which is in the Sonoran Desert, was a farming area into the 1960s, and once had significant crops of melons, jojoba, and guar in the 1970s, which is used in the oil industry. The Southern Pacific Company once had a railroad station there, served by Wells Fargo. The population was estimated at 200 in 1960.
Theba is the nearest community to the Painted Rocks, a site of ancient petroglyphs that was listed on the National Register of Historic Places in 1977.
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 the Library of Congress (6), Wikipedia, 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.