Longview Heights is a census-designated place (CDP) in Cowlitz County, Washington, United States. The population was 4,033 at the 2020 Census. The CDP is known locally as Columbia Heights.
Geography
According to the United States Census Bureau, the CDP has a total area of 4.3 square miles (11.1 km<sup>2</sup>), of which, 4.2 square miles (11.0 km<sup>2</sup>) of it is land and 0.04 square miles (0.1 km<sup>2</sup>) of it (0.93%) is water.
Demographics
As of the census