Laramie County Wyoming

Laramie County administrative offices are located at 309 West 20th Street, Cheyenne, WY 82001; phone: 307-633-4264.

Laramie was the first county to be established in the newly organized (1867) Territory of Wyoming. Although its original size was significantly decreased with the creation of Platte and Goshen counties in 1911, Laramie remains in area larger than the State of Delaware.