California is highly pluralistic and religiously diverse, reflecting its long history of immigration and cultural evolution.
* **Christianity:** The largest religious group, featuring deep Catholic roots dating back to the Spanish mission system, alongside widespread Protestant, Evangelical, and Eastern Orthodox communities. * **Other Faiths:** The state is home to some of the largest populations of Jews, Muslims, Buddhists, Hindus, and Sikhs in the United States. It houses notable architectural sites like the Hsi Lai Temple in Hacienda Heights, one of the largest Buddhist temples in the Americas. * **Secularism:** Consistent with West Coast trends, a significant and rapidly growing percentage of Californians identify as religiously unaffiliated, agnostic, or atheist.