Campbell County was created in 1911 from land annexed from Crook and Weston Counties.
It was named either for John Allen Campbell, a governor of the Wyoming Territory, or for Robert Campbell, a trapper and fur trader.

Gillette is the county seat


Populated Areas

City: Gillette
Town: Wright

Census-designated Places
Antelope Valley-Crestview
Sleepy Hollow

Unincorporated Communities
Croton * Echeta * Pleastantdale * Recluse * Rozet *
Savageton * Spotted Horse * Weston * Wyodak *

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