Cajah's Mountain is a town in Caldwell County, North Carolina, United States.

[5] Cajah's Mountain is located in southern Caldwell County.

According to the United States Census Bureau, the town has a total area of 3.4 square miles (8.8 km2), all land.

[4] As of the 2020 United States census, there were 2,722 people, 1,184 households, and 753 families residing in the town.

23.5% of all households were made up of individuals, and 10.4% had someone living alone who was 65 years of age or older.