Waller is a census-designated place (CDP) in Columbia County, Pennsylvania, United States.

[3] Waller is located in northern Columbia County at 41°13′45″N 76°25′19″W / 41.22917°N 76.42194°W / 41.22917; -76.42194 (41.229077, -76.422059),[4] in the east center of Jackson Township.

According to the United States Census Bureau, the CDP has a total area of 1.3 square miles (3.3 km2), all land.

There were 33 housing units at an average density of 26.2 per square mile (10.1/km2).

23.1% of all households were made up of individuals, and 15.4% had someone living alone who was 65 years of age or older.