Lenora is a city in Norton County, Kansas, United States. As of the 2020 census, the population of the city was 207. Lenora was founded in 18…Lenora is a city in Norton County, Kansas, United States. As of the 2020 census, the population of the city was 207. Lenora was founded in 1873. It was named for Mrs. Lenora Hauser, a pioneer settler.