Jacinto is a small unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Glenn County

Glenn County, California

Glenn County is in the California Central Valley. As of 2010, it had a population of 28,122. The county seat is the city of Willows.-History:Glenn County was formed in 1891 from parts of Colusa County. It was named for Dr. Hugh J...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. Named for Jacinto Rodriques, who received a Mexican land grant in the area in 1844, it is located on the Sacramento River

Sacramento River

The Sacramento River is an important watercourse of Northern and Central California in the United States. The largest river in California, it rises on the eastern slopes of the Klamath Mountains, and after a journey south of over , empties into Suisun Bay, an arm of the San Francisco Bay, and...

 11 miles (18 km) east-northeast of Willows

Willows, California

Willows is the county seat of Glenn County, California. As the county seat, the city is a home to regional government offices, including the California Highway Patrol, California Department of Motor Vehicles and the United States Bureau of Reclamation...

, at an elevation of 112 feet (34 m).

A post office was established at Jacinto March 19, 1858 and operated until November 15, 1910. Jacinto was the home of Dr. Hugh J. Glenn

Hugh J. Glenn

Hugh James Glenn was a prominent businessman and politician in California. Glenn was born near Staunton, Virginia, and grew up in Monroe County, Missouri. He was educated as a physician at McDowell's Medical College in St. Louis, Missouri. Glenn served with Colonel Alexander William Doniphan's...

, a prominent figure in California politics.