Fairview is a city in northern Sanpete County, Utah, United States. The population was 1,203 at the 2020 census. Located at the confluence …Fairview is a city in northern Sanpete County, Utah, United States. The population was 1,203 at the 2020 census. Located at the confluence of the San Pitch River and Cottonwood Creek, Fairview is the largest city in the northeast end of the Sanpete Valley. Founded in 1859, soon after the resettlement of nearby Mount Pleasant, Fairview was one of the first new towns established during the second wave of Mormon settlement in Sanpete County.