Douglas County, KS
Douglas County was founded in 1854. It was named for Stephen Arnold Douglas (1813-1861), an American politician and lawyer most notably known for the Lincoln-Douglas debates. The county is the fifth most populous county in the state with an estimated 2018 population of 121,436. Within its boundaries is the city of Lawrence, which began as the center of free-state politics.
Johnson County, KS
Established on August 25, 1855, Johnson County (known as “JoCo”) boasts the lowest unemployment rate in the state. It was one of the first counties in the area when Kansas was still organized as a territory. An estimated population of 597,555 (as of 2018) makes Johnson County the most populous in the state. Both the Santa Fe Trail and the Oregon-California Trail pass through the county’s boundaries.
Sedgwick County, KS
Sedgwick County is the second most populous county in Kansas, with a 2018 estimated population of 513,607. It was named for John Sedgwick, a Union Army general during the American Civil War. The county was founded on February 26, 1867. Within its boundaries lies the confluence of the Little Arkansas River and the Arkansas River.
Shawnee County, KS
Named for the Shawnee people, Shawnee County was founded on August 25, 1855. The county is currently the third most populous county in the state with a 2018 estimated population of 177,499. Located in the east-central part of the state, Shawnee County is also home to Topeka - the state capital.
Wyandotte County, KS
The fourth most populous county in the state of Kansas is Wyandotte County, with an estimated (2018) population of 165,324. The county was named after the Wyandot Indians. Wyandotte County was organizec officially in 1859. Within its boundaries is Kansas City, home to more barbeque restaurants per capita than any other U.S. city.