Lincoln County is a county located in the U.S. state of Kansas. Its county seat and largest city is Lincoln Center. As of the 2020 census, the county population was 2,939. The county was named after Abraham Lincoln, the 16th president of the United States.

Lincoln Center, more commonly known as Lincoln, is a city in and the county seat of Lincoln County, Kansas, United States. As of the 2020 census, the population of the city was 1,171.