Sedgwick County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 2,404. The county seat is Julesburg. The county was named for Fort Sedgwick, a military post along the Platte Trail, which was named for General John Sedgwick. It is located at the state border with Nebraska.
History
Sedgwick County was named after John Sedgwick, who was a major general in the Union Army during the American Civil War.
Geography
According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.2%) is water.
Adjacent counties
- Deuel County, Nebraska – north
- Perkins County, Nebraska – east
- Phillips County – south
- Logan County – west
- Cheyenne County, Nebraska – northwest
Major highways
- 20px Interstate 76
- 20px U.S. Highway 138
- 20px U.S. Highway 385
- 20px State Highway 11
- 20px State Highway 23
- 20px State Highway 59
Trails and byways
- American Discovery Trail
- First transcontinental railroad
- Pony Express National Historic Trail
- South Platte River Trail Scenic and Historic Byway
- South Platte Trail
Upper Crossing of the California Trail