Santa Paula, originally inhabited by the Chumash people, was part of Rancho Santa Paula y Saticoy, a vast land grant given to Rancho owner Manuel Rodriguez in 1840 by the Mexican government.

Incorporated in 1902, Santa Paula is known as the "Citrus Capital of the World" due to its significant historical role in the Southern California citrus industry.

Located in the fertile Santa Clara River Valley in Ventura County, Santa Paula is geographically positioned between the Topatopa Mountains and the Pacific Ocean, experiencing a Mediterranean climate.

The Union Oil Company, later Unocal, was founded in Santa Paula in 1890 at Hardison & Stewart well No. 4, marking a crucial point in the history of California's petroleum industry.

Santa Paula's population has grown steadily over the years, with the 2020 census recording approximately 30,656 residents, reflecting a mix of ethnicities and cultures.

Agriculture, particularly citrus farming, remains a vital part of Santa Paula's economy, though the city has diversified into manufacturing, tourism, and service industries.

The Santa Paula Art Museum, housed in a historic building, celebrates the artistic legacy of the region, showcasing both contemporary and historical works of California art.

The city hosts the annual Santa Paula Citrus Festival, a long-standing tradition that celebrates the region's agricultural heritage with parades, entertainment, and citrus-themed activities.

The Santa Paula Airport, one of California's oldest operating airports, is a significant aviation hub, contributing to the city's economy and serving as a base for vintage aircraft enthusiasts.

The California Oil Museum, situated in the historic Union Oil Company building in Santa Paula, documents the history of oil exploration and production in California.

Santa Paula's historic downtown area features numerous buildings dating back to the late 19th and early 20th centuries, showcasing a variety of architectural styles reflecting its growth.

The Thomas Aquinas College, a prominent Catholic liberal arts college known for its Great Books curriculum, is located near Santa Paula, contributing to the city's educational landscape.

The "Ghost Town" filming location, a relic of silent film era, is located nearby in nearby Piru Canyon (often associated with Santa Paula) and has contributed to the area's film history.

Santa Paula's proximity to Los Padres National Forest provides opportunities for outdoor recreation, including hiking, camping, and exploring the region's natural beauty.

While not a UNESCO site itself, Santa Paula’s cultural landscape reflects elements connected to California's mission history, influencing its historical and agricultural development.