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Ballico is a census-designated place in Merced County, California, United States. It is located 9 miles (14 km) northwest of Atwater at an elevation of 151 feet (46 m). The population was 347 at the 2020 United States census, down from 406 in 2010. Ballico is located in the northern part of Merced County, just north of where the Santa Fe railroad (the original San Francisco and San Joaquin Valley Railroad line) crosses the Merced River. Delhi is to the west, Denair to the northwest, and Cressey is across the river to the southeast. The ZIP Code is 95303. The community is inside area code 209. The name is a portmanteau of Ballantine Company, owner of the ranch on which the town was built.
Its first post office opened in 1924. Between the 2010 and 2020 censuses its population fell from 406 to 347 (-15%).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
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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 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.