Kinsley was first called Petersburg. In 1873, the city was planned out as Petersburg. It was later renamed Peter's City, and finally the name Kinsley was chosen to honor E. W. Kinsley. He was a capitalist from Boston.[5][6]
The first post office in Kinsley was established under the name Peters in April, 1873. The post office was renamed Kinsley in January, 1874.[7]
The 2020 census says that there were 1,456 people, 660 households, and 378 families living in Kinsley. Of the households, 72.3% owned their home and 27.7% rented their home.
The median age was 45.5 years. Of the people, 83.4% were White, 0.8% were Black, 0.4% were Native American, 0.1% were Asian, 6.0% were from some other race, and 9.4% were two or more races. Hispanic or Latino of any race were 19.1% of the people.[3][12]
2010 census
The 2010 census says that there were 1,457 people, 654 households, and 384 families living in Kinsley.[13]