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Lewis County, Idaho
Seal of Lewis County, Idaho
Map of Idaho highlighting Lewis County
Location in the state of Idaho
Map of the U.S. highlighting Idaho
Idaho's location in the U.S.
Founded March 3, 1911
Named for Meriwether Lewis, of Lewis and Clark
Seat Nezperce
 - Total
 - Land
 - Water

480 sq mi (1,243 km²)
479 sq mi (1,241 km²)
1 sq mi (2 km²), 0.16%
 -  Density

Lewis County is a county located in the U.S. state of Idaho. The county was established in 1911. It was named after the explorer Meriwether Lewis. As of the 2000 Census the county had a population of 3,747 (2005 estimate: 3,750) [1]. The county seat is Nezperce6.


According to the U.S. Census Bureau, the county has a total area of 1,243 km² (480 sq mi). 1,241 km² (479 sq mi) of it is land and 2 km² (1 sq mi) of it (0.16%) is water. It is part of the Palouse, a wide and rolling prairie-like region of the middle Columbia basin.

Adjacent Counties[]


As of the census2 of 2000, there were 3,747 people, 1,554 households, and 1,050 families residing in the county. The population density was 3/km² (8/sq mi). There were 1,795 housing units at an average density of 1/km² (4/sq mi). The racial makeup of the county was 92.21% White, 0.35% Black or African American, 3.84% Native American, 0.43% Asian, 0.08% Pacific Islander, 0.93% from other races, and 2.16% from two or more races. 1.89% of the population were Hispanic or Latino of any race.

There were 1,554 households out of which 27.50% had children under the age of 18 living with them, 57.80% were married couples living together, and 32.40% were non-families. 28.10% of all households were made up of individuals and 14.50% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 2.92.

In the county the population was spread out with 25.40% under the age of 18, 5.30% from 18 to 24, 23.80% from 25 to 44, 27.10% from 45 to 64, and 18.50% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 101.90 males. For every 100 females age 18 and over, there were 98.20 males.

The median income for a household in the county was $31,413, and the median income for a family was $37,336. Males had a median income of $31,021 versus $22,538 for females. The per capita income for the county was $15,942. About 8.70% of families and 12.00% of the population were below the poverty line, including 12.90% of those under age 18 and 9.00% of those age 65 or over.

Cities and towns[]

Coordinates: 46°14′N 116°26′W / 46.24, -116.43

This page uses content from the English language Wikipedia. The original content was at Lewis County, Idaho. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.