Norton County is a county located in the U.S. state of Kansas. Its county seat and largest city is Norton. As of the 2020 census, the county population was 5,459. The county was established in 1867 and named for Orloff Norton, captain of Company L, 15th Kansas Militia Infantry Regiment.

Norton is a city in, and the county seat of, Norton County, Kansas, United States. As of the 2020 census, the population of the city was 2,747.