The population of Phek is overwhelmingly Christian, reflecting the broader demographic of Nagaland following the work of missionaries in the 19th and 20th centuries.
* **Baptist Churches:** The majority of the residents are Baptists. The **Phek Town Baptist Church** is a prominent architectural and community landmark. The Chakhesang Baptist Church Council (CBCC) plays a significant role in local civil society. * **Catholicism:** There is also a notable Roman Catholic community, with St. Jerome's Parish being a key religious center. * **Traditional Beliefs:** While Christianity is the dominant faith, many traditional cultural practices and community values are seamlessly woven into modern life.

