Historical Markers in
San Joaquin County, California

America's First Coast-to-Coast Road Athearn School Bell B & M Building Banner Island Historic Site Banta Inn Battle of Waterloo California Building California Chicory Works Campo Bravo Arena Charles Weber and the Founding of Stockton Chinese 1976 Bicentennial Monument City Hall, Fire House and Jail Clements Elementary School Commercial and Savings Bank David S. Terry Edward B. Conde Home Elliot Cemetery Elliott Cemetery Estanislao's Stronghold Farmington Odd Fellows Lodge #296 Firefighters Memorial First Transcontinental Railroad French Camp Glenview Cemetery Goddess of Justice Hale Park Hand Hall Harmony Grove Church Head of Navigation Hotel Lodi James B. Anderson John Brown José Maria Morelos y Pavón Lathrop Laura de Force Gordon Liberty California Liberty Plot Lindsay Point Lodi Arch Lodi Mission Arch Lone Star Mill Louis Andreas Mackville Road Bridge Magnolia Historic District Medico-Dental Building Moses Rogers Home New Hope – 1846 Old Lodi (Mokelumne Station) Ort J. Lofthus Crosstown Freeway Pioneer Hill / Lockeford Remember Pearl Harbor Ripon World War II Memorial Saint John’s Episcopal Church and Guild Hall Saint Mary’s Catholic Church Salem School Bell San Joaquin Valley College Santa Fe Depot Site of Carnegie Site of San Joaquin City Sperry Flour Mill Office Stockton Assembly Center Stockton City Hall Stockton Developmental Center Stockton Jewish Community Center Stockton Memorial Civic Auditorium Stockton Savings and Loan Society Bank Stockton Veterans Monument Stockton Vietnam War Memorial Stockton Women Veterans Tree Temple Israel Cemetery The Comet – 1846 – First Sail Launch The Compass Rose The First A&W Root Beer The Shooting of David S. Terry The Sister City Story The Soldiers Friend Tracy World War I Memorial and Honor Roll We Shall Never Forget Weber Point Weber Point Home – 1850 Weber Primary School Woman's Club of Lodi World War II Memorial
The first female mayor in the U.S. was elected in California in 1887. Susanna M. Salter was elected mayor of Argonia, Kansas, but she was born in California and later moved to Kansas with her husband.
San Joaquin County, located in the Central Valley of California, has a rich and diverse history that spans thousands of years. The original inhabitants of the land were Native American tribes such as the Miwok and Yokuts. Spanish explorers arrived in the late 18th century, with the first recorded European settlement established in Stockton by Captain Charles Maria Weber in 1849.

In the mid-19th century, during the California Gold Rush, San Joaquin County experienced a significant population boom as thousands of fortune-seekers migrated to the area in search of gold. Stockton, with its strategic location along the San Joaquin River, emerged as a prominent trading and transportation hub. The region's agricultural potential attracted settlers who began cultivating vast tracts of land for crops like wheat, grapes, and later, asparagus and cherries.

During the late 19th and early 20th centuries, San Joaquin County faced various challenges and transformations. It saw the rise of a thriving shipping industry, as steamboats transported goods up and down the San Joaquin River. However, the river's navigation became increasingly difficult due to sediment buildup, leading to the construction of the Stockton Deep Water Channel in the early 20th century to mitigate this issue.

Furthermore, this period witnessed the construction of major infrastructure projects, including the California Aqueduct, which brought water from the Sierra Nevada Mountains to the Central Valley, providing a significant boost to the region's agricultural industry. San Joaquin County has continued to evolve, embracing diversification in its economy while still maintaining its strong agricultural heritage.

Today, San Joaquin County is a thriving region with a population of over 750,000 residents. It is known for its diverse agricultural industry, producing a variety of crops, dairy products, and livestock. The county is also home to various attractions, including wineries, museums, and the Stockton Arena. While the region has encountered its fair share of challenges over the years, it remains an integral part of California's history and continues to play a vital role in the state's economy and cultural fabric.

This timeline provides a concise overview of the key events in the history of San Joaquin County, California.

  • 1841 - San Joaquin County is established as one of the original 27 counties in California.
  • 1847 - Stockton becomes the county seat of San Joaquin County.
  • 1850 - San Joaquin County is officially organized and recognized by the state of California.
  • 1851 - The United States Census Bureau first records the population of San Joaquin County at 4,000 people.
  • 1869 - The first railroad in San Joaquin County, the Stockton and Copperopolis Railroad, is completed.
  • 1906 - The Brannan-Andrus Mill, the largest flour mill in the world at the time, begins operations in Stockton.
  • 1937 - The Delta College, now known as San Joaquin Delta College, is established in Stockton.
  • 1942 - The relocation center, known as the Stockton Assembly Center, is established during World War II to house Japanese-Americans who were forcibly removed from their homes.
  • 1996 - The University of the Pacific, the oldest chartered university in California, celebrates its 125th anniversary.
  • 2020 - San Joaquin County experiences significant economic growth and population increase.