Cities and Towns:
Arco
Howe
Idaho National Engeneering and
Environmental Laboratory
Craters of the
Moon National Monument
Fisheries & Drainage Regions
Snake River-S.
& Henrys Fk.
Sinks
Location
43.7247 N, 113.1739 W
Land Area
2,237 square miles
County Seat
Arco
Population
3,141
Background
Established February 6, 1917 with its county seat at Arco. It was named for
the buttes that rise from the Snake River plain and served as landmarks to trappers
and pioneers who traveled through the area. The first white men in the region
were thought to be Donald Mackenzie and his Northwest Fur Company trappers in
1818.
County Clerk
County Courthouse
Arco, ID 83213-0737
Phone: (208) 527-3021
Fax: (208) 527-3295
Visit these Web Sites for more information.
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Demographics