Sedgwick is a statutory town in Sedgwick County, Colorado, United States.

[5] The town was named for Fort Sedgwick, which was named after John Sedgwick, who was a major general in the Union Army during the American Civil War.

[9] According to the United States Census Bureau, the town has a total area of 0.3 square miles (0.78 km2), all of it land.

July 1954 was one of Sedgwick's warmest months to date.

The town had 16 days of temperatures at or above 100 °F (37.8 °C) and on July 11, 1954, Sedgwick saw its temperature rise to 114 °F (46 °C).