The Town of Kersey is a Statutory Town in Weld County, Colorado, United States. The population was 1,495 at the 2020 United States census.
Elbridge Gerry established a trading post called Fort Gerry on the South Platte River near the present-day town of Kersey, Colorado in the 1830s. He had two Native American wives who helped him run the post. In 1840, Gerry abandoned the site and built a post on the south bank of the river. Gerry is said to be the first white man to settle in what is now Weld County.
A post office called Kersey has been in operation since 1894. A railroad official gave Kersey the maiden name of his mother.
Kersey is located at (40.386060, -104.561453).
According to the United States Census Bureau, the town has a total area of , all of it land.