On November 15, 2001, Broomfield County became the 64th and least extensive county of Colorado. It is the newest county in Colorado (and in the entire United States, if county equivalents are not included).
On November 15, 2001, Broomfield County became the 64th and least extensive county of Colorado. It is the newest county in Colorado (and in the entire United States, if county equivalents are not included).