Definition of "Boulder"

A town in Western Australia, merged with Kalgoorlie in 1989 as the City of Kalgoorlie-Boulder.  examples

A home rule municipality, the county seat of Boulder County, Colorado, United States.  examples

An unincorporated community in Clinton County, Illinois, United States.  examples

A town, the county seat of Jefferson County, Montana, United States.  examples

A small town in Garfield County, Utah, United States.  examples

An unincorporated community in Barbour County, West Virginia, United States.  examples

A census-designated place in Sublette County, Wyoming, United States.  examples