Knik-Fairview is a census-designated place (CDP) in Matanuska-Susitna Borough, Alaska, United States.

It is part of the Anchorage, Alaska Metropolitan Statistical Area.

According to the United States Census Bureau, the CDP has a total area of 180 km2 (69 sq mi).

As of the 2000 census, there were 7,050 people, 2,380 households, and 1,800 families residing in the CDP.

The racial makeup of the CDP was 88% white, 6% Native American, and 4% from two or more races.

18% of all households were made up of individuals, and 3% had someone living alone who was 65 years of age or older.