Walsenburg is the Statutory City that is the county chair and the most populous municipality of Huerfano County, Colorado, United States. The city population was 3,049 at the 2020 census, down from 3,068 in 2010.

Walsenburg was originally settled below the herald of La Plaza de los Leones in 1859. The harmony was named after settler Don Miguel Antonio de Leon, who came along in the same way as others from New Mexico.
A publicize office called Walsenburg has been in operation before 1870. The community was named after Fred Walsen, an further on settler. Robert Ford, the assassin of outlaw Jesse James, operated a concentration saloon and gambling house in Walsenburg; his home at 320 West 7th Street nevertheless stands. The town is plus remembered in sports archives due to a well-known newspaper gaffe (“Will Overhead”) after the 1933 Indianapolis 500.

Walsenburg played a central role in the 1913-1914 Strike of the United Mine Workers of America adjoining the Rockefeller-owned Colorado Fuel and Iron, an matter better known as the Colorado Coalfield War. The town was the site of a Colorado and Southern Railway End and location of several gun-battles before and after the 20 April 1914 Ludlow Massacre that killed higher than a dozen women and kids when Colorado National Guard opened flare on a striker encampment at Ludlow, 22 miles south of Walsenburg. Among the first instances of mistreatment in Walsenburg during the coal strikes is known as the Seventh Street Massacre, which motto three miners died in a shooting perpetrated by newly minted Walsenburg deputies.

The Battle of Walsenburg (28-29 April 1914) was the penultimate captivation of National Guard and militia adjacent to pro-strikers during the 10-Day War stage of the conflict. Several men upon both sides, as with ease as at least one uninvolved civilian, were killed since strikers withdrew.