Idaho County
administration | |
---|---|
US state : | Idaho |
Administrative headquarters : | Grangeville |
Foundation : | February 4, 1864 |
Demographics | |
Residents : | 15,679 (2005) |
Population density : | 0.7 inhabitants / km 2 |
geography | |
Total area : | 22,021 km² |
Water surface : | 46 km² |
map | |
Website : www.idahocounty.org |
Idaho County is a county in the state of Idaho in the United States . The administrative headquarters are in Grangeville . Idaho County is Idaho's largest county in terms of area.
geography
The county is located in central northwest Idaho and covers an area of 22,021 square kilometers; 46 square kilometers of this are water bodies. It is bordered clockwise by the following counties: Clearwater County , in Montana by Missoula County and Ravalli Counties , Lemhi County , Valley County , Adams County , in Oregon by Wallowa County , Nez Perce County, and Lewis County .
history
Idaho County was formed in 1861 as part of the Washington Territory . On February 4, 1864, Idaho County was reorganized by the new Legislative Administration of the Idaho Territory . From 1864 to 1875 Florence was the administrative seat of the county, from 1875 to 1902 it was Mount Idaho , and from 1902 Grangeville. The Idaho County was named after a steamship called "Idaho" that sailed the Columbia River .
37 structures and sites in the county are on the National Register of Historic Places .
Demographics
On July 1, 2005 there were 15,697 people in Idaho County.
age structure
population | Years | proportion of |
---|---|---|
under | 18th | 25.0% |
from | 18 - 24 | 6.3% |
from | 25-44 | 23.3% |
from | 45-64 | 28.4% |
over | 65 | 17.0% |
The average age was 42 years.
Places in the county
Individual evidence
- ↑ GNIS-ID: 395699. Retrieved on February 22, 2011 (English).
- ↑ Search mask database in the National Register Information System. National Park Service , accessed August 25, 2017.
Web links
Coordinates: 45 ° 51 ′ N , 115 ° 28 ′ W