 mclean county ( ) is a county located in the u.s. state of north dakota. as of the 2010 census, the population was 8,962. its county seat is washburn. the county was created by the 1883 territorial legislature and organized on november 1, 1883. it was named for john a. mclean, a prominent citizen and the first mayor of bismarck, north dakota. ==geography== according to the u.s. census bureau, the county has a total area of , of which  is land and  (9.37%) is water. ===adjacent counties=== *ward county (north) *mchenry county (northeast) *sheridan county (east) *burleigh county (southeast) *oliver county (south) *mercer county (southwest) *dunn county (west) *mountrail county (northwest)  ===major highways=== *20px u.s. highway 83 *20px [[north dakota h
1883_establishments_in_the_United_States McLean_County,_North_Dakota North_Dakota_counties North_Dakota_counties_on_the_Missouri_River