California's population has surpassed 40 million residents in 2025, with its largest cities playing pivotal roles in shaping the state's growth and economy. Los Angeles, with a population of 4.06 million, is renowned for its entertainment, technology, and tourism industries, making it a significant contributor to the state's economic landscape [d41f8d88].
San Diego, home to 1.48 million residents, thrives on its biotech, military, and tourism sectors. The city's strategic location and diverse economy bolster California's overall growth and attract visitors from around the globe [d41f8d88].
San Jose, with a population of 1.08 million, continues to be a tech hub, drawing global talent and fostering innovation. Its status as a center for technology and startups is crucial for the state's economic vitality [d41f8d88].
San Francisco, known for its iconic landmarks and vibrant startup culture, has around 870,000 residents. The city remains a focal point for tech innovation and tourism, further enhancing California's appeal as a travel destination [d41f8d88].
Other cities like Fresno (550,000 residents) and Sacramento (540,000 residents) also contribute significantly to California's economy. Fresno is key in agriculture and healthcare, while Sacramento focuses on government and education, providing a balanced economic foundation for the state [d41f8d88].
Long Beach and Oakland, with populations of 470,000 and 440,000 respectively, add to California's cultural and trade contributions. Their diverse economies support the state's growth and enhance the travel industry's offerings [d41f8d88].
The growth of these cities not only impacts California's economy but also significantly influences the travel industry. As the demand for accommodations and services increases, these urban centers are becoming increasingly attractive to tourists and business travelers alike [d41f8d88].
In light of these developments, San Jose's recent population decline, as noted in earlier reports, raises questions about its future as a tech hub. While it remains a significant player in the tech industry, addressing housing affordability and quality of life is essential to retain its status and attract new residents [ff9917ae][7a9f5424].
Meanwhile, San Francisco continues to hold its position as the most technologically advanced city in the U.S., with a thriving tech labor market and a strong influence on the national economy [db228966]. The interplay between these cities' growth and the travel industry underscores the dynamic nature of California's economy and its global significance [f2275d83].