Simpson was first called Brittsville. It had started in 1871 when a mill opened at the site.[4] The present name was adopted in 1882 in honor of Alfred Simpson, an original landowner.[5][6]
The first post office at Brittsville was created in June 1874. It was renamed Simpson in April 1882.[7]
As of the 2020 census, there were 82 people, 32 households, and 22 families living in the city. Of the households, 87.5% owned their home and 12.5% rented their home.
The median age was 32.5 years. Of the people, 93.9% were White, 3.7% were from some other race, and 2.4% were two or more races. Hispanic or Latino of any race were 3.7% of the people.[3][9]
2010 census
As of the 2010 census says that there were 86 people, 36 households, and 26 families living in the city.[10]
