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Kootenai County, Idaho facts for kids

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Kootenai County, Idaho
Seal of Kootenai County, Idaho
Map of Idaho highlighting Kootenai County
Location in the state of Idaho
Map of the USA highlighting Idaho
Idaho's location in the U.S.
Founded December 22, 1864
Seat Coeur d'Alene
Largest City Coeur d'Alene
 - Total
 - Land
 - Water

1,316 sq mi (3,408 km²)
1,244 sq mi (3,222 km²)
71 sq mi (184 km²), 5.4%
 - (2015)
 - Density

111/sq mi (43/km²)
Time zone Pacific: UTC-8/-7
Named for: Kootenai tribe

Kootenai County (/ˈktn/ KOOT-nee) is a county located in the U.S. state of Idaho. As of the 2010 census, the population was 138,494, making it the third-most populous county in Idaho. The county seat and largest city is Coeur d'Alene. The county was established in 1864 and named after the Kootenai tribe.

Kootenai County comprises the Coeur d'Alene, ID Metropolitan Statistical Area, which is included in the Spokane-Spokane Valley-Coeur d'Alene, WA-ID Combined Statistical Area.


Natives and Early European Activity

The Coeur d'Alene region takes its name from that given the local natives by French fur trappers. The tribe initially consisted of three bands that inhabited the areas surrounding Coeur d'Alene Lake and the Coeur d'Alene River. Canadian fur trade came to the region starting in 1809, marking the tribe's first contact with Europeans. Christian missionaries would follow with the first Christian meeting officiated by Father Nicolas Pointe on the north bank of Coeur d'Alene Lake at its junction with the Spokane River on December 2, 1842. The St. Joseph mission was initially established northwest of St. Maries in 1844 before being renamed Mission of the Sacred Heart at its relocation to the Cataldo site in 1846. Construction of Idaho's oldest structure commenced with construction of the mission church being completed by 1855. The mission headquarters was moved to DeSmet in 1877.

The Mullan Road was constructed through the area in 1859 with the route originally running on the southern side of Coeur d'Alene Lake. A route on the northern side of Coeur D'Alene Lake commenced in 1861. Mullan's men celebrated Independence Day of 1861 at Fourth of July Canyon east of Coeur d'Alene.

Kootenai County Settled, Fails to Organize

The Idaho Territorial Legislature created Kootenai County on December 22, 1864. A county government was not immediately organized as a result of lack of significant settlement in the region. Kootenai County contained 81 residents at the 1864 Census of Idaho Territory. Rathdrum was the first of the present incorporated cities to experience settlement starting in 1861. It became a stagecoach stop and later the Kootenai County seat. At the 1870 census, the region was reported under Nez Perce County as the Kootenai District with 31 residents. Post Falls was settled in 1871 while Camp Coeur d'Alene was established in 1878. The camp became a Fort in 1879 and the town of Coeur d'Alene grew up around the fort. Dalton Gardens, Hayden, and Hayden Lake were also settled around this time.

Kootenai County Organized

After almost 17 years of existence, Kootenai County finally organized on July 9, 1881. The county's importance grew as a result of completion of the Northern Pacific Railway in 1882 to Rathdrum as well as discovery of gold on the Coeur d'Alene River in neighboring Shoshone County in 1883. Existing settlements grew and new ones were established as a result. Settlement commenced on the railroad at Athol in 1882 and Harrison in 1890.

Development of Cities

Continued population growth led to the development of cities. In 1899, Harrison was the county's first city to incorporate. Coeur d'Alene, Spirit Lake, and Athol followed in 1906, 1908, and 1909. Incorporation of Rathdrum Post Falls, and Worley occurred prior to 1920. Clarksville, Hayden Lake, Huetter, State Line, and Eddiville were all incorporated in 1947. Hayden, Dalton Gardens, and Fernan Lake incorporated after 1950. Eddiville and Clarksville were dis-incorporated prior to 1970.

County Boundary History

At the time of the Coeur d'Alene Mission's establishment, the territory of Kootenai County was claimed by both the United States and Britain. The government of Oregon Country established four districts on July 5, 1843 and Kootenai's territory was within the boundary of the Clackamas District that later became Clackamas County under Oregon Territory. Washington Territory was established March 2, 1853. Kootenai's territory fell under Walla Walla County starting 1864, followed by Spokane County in 1858. Idaho Territory was established March 3, 1863, resulting in Kootenai County's territory not falling under any county's jurisdiction. On February 2, 1864, it was attached jurisdictionally to Nez Perce County, but remained outside of that county's boundary. The Counties of Kootenai and Lah-Toh were created on December 22, 1864 with Lah-Toh covering Kootenai's present territory. Both counties failed to organize and by 1867, Lah-Toh was abolished and its territory transferred to Kootenai County. Bonner was partitioned off in 1907 and Benewah partitioned in 1915 to give Kootenai its present boundary. In 1905, the legislature attempted to abolish Kootenai County and create the counties of Lewis and Clark in its place. The act was declared unconstitutional by the Idaho Supreme Court.

Presidential election results
Year Democrat Republican
2016 24.53% 16,264 67.03% 44,449
2012 31.16% 18,851 65.09% 39,381
2008 35.37% 22,120 61.38% 38,387
2004 32.20% 17,584 66.25% 36,173
2000 30.79% 13,488 64.28% 28,162


CourdAlene TheLake
Lake Coeur d'Alene in Kootenai County

According to the U.S. Census Bureau, the county has a total area of 1,316 square miles (3,410 km2), of which 1,244 square miles (3,220 km2) is land and 71 square miles (180 km2) (5.4%) is water. The vast majority of the water area is the county's primary attraction, Lake Coeur d'Alene. Kootenai County is part of the Inland Empire in the Idaho Panhandle.

Adjacent counties

National protected areas

  • Coeur d'Alene National Forest (part)
  • Kaniksu National Forest (part)

Major highways

  • I-90.svg Interstate 90
  • US 95.svg US 95
  • ID-3.svg SH-3
  • ID-41.svg SH-41
  • ID-53.svg SH-53
  • ID-54.svg SH-54
  • ID-97.svg SH-97


Historical population
Census Pop.
1880 518
1890 4,108 693.1%
1900 10,216 148.7%
1910 22,747 122.7%
1920 17,878 −21.4%
1930 19,469 8.9%
1940 22,283 14.5%
1950 24,947 12.0%
1960 29,556 18.5%
1970 35,332 19.5%
1980 59,770 69.2%
1990 69,795 16.8%
2000 108,685 55.7%
2010 138,494 27.4%
Est. 2015 150,346 8.6%
U.S. Decennial Census
1790–1960 1900–1990
1990–2000 2010–2013

2000 census

As of the census of 2000, there were 108,685 people, 41,308 households, and 29,659 families residing in the county. The population density was 87 people per square mile (34/km²). There were 46,607 housing units at an average density of 37 per square mile (14/km²). The racial makeup of the county was 95.84% White, 0.17% Black or African American, 1.23% Native American, 0.50% Asian, 0.07% Pacific Islander, 0.59% from other races, and 1.60% from two or more races. 2.33% of the population were Hispanic or Latino of any race. 23.2% were of German, 11.9% English, 10.9% Irish, 9.4% American and 6.1% Norwegian ancestry according to Census 2000. 96.6% spoke English and 1.7% Spanish as their first language.

There were 41,308 households out of which 34.90% had children under the age of 18 living with them, 58.60% were married couples living together, 9.20% had a female householder with no husband present, and 28.20% were non-families. 21.90% of all households were made up of individuals and 8.30% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.03.

In the county, the population was spread out with 27.10% under the age of 18, 8.70% from 18 to 24, 28.00% from 25 to 44, 23.90% from 45 to 64, and 12.30% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 98.10 males. For every 100 females age 18 and over, there were 94.90 males.

The median income for a household in the county was $37,754, and the median income for a family was $42,905. Males had a median income of $33,661 versus $22,113 for females. The per capita income for the county was $18,430. About 7.70% of families and 10.50% of the population were below the poverty line, including 12.90% of those under age 18 and 7.30% of those age 65 or over.

2010 census

As of the 2010 United States Census, there were 138,494 people, 54,200 households, and 37,316 families residing in the county. The population density was 111.3 inhabitants per square mile (43.0/km2). There were 63,177 housing units at an average density of 50.8 per square mile (19.6/km2). The racial makeup of the county was 94.5% white, 1.3% American Indian, 0.7% Asian, 0.3% black or African American, 0.1% Pacific islander, 0.8% from other races, and 2.4% from two or more races. Those of Hispanic or Latino origin made up 3.8% of the population. In terms of ancestry, 25.9% were German, 15.2% were Irish, 13.9% were English, 12.5% were American, and 6.7% were Norwegian.

Of the 54,200 households, 32.8% had children under the age of 18 living with them, 53.9% were married couples living together, 10.0% had a female householder with no husband present, 31.2% were non-families, and 24.3% of all households were made up of individuals. The average household size was 2.53 and the average family size was 2.99. The median age was 38.9 years.

The median income for a household in the county was $46,336 and the median income for a family was $55,840. Males had a median income of $43,503 versus $29,950 for females. The per capita income for the county was $24,418. About 8.8% of families and 11.9% of the population were below the poverty line, including 15.3% of those under age 18 and 7.7% of those age 65 or over.



Census-designated places

Unincorporated communities

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