Lincoln County, Montana

Lincoln County is a located in the  of. As of 2000, the population was 18,837. Its is.

Formerly part of, the residents of Libby and Eureka petitioned the state legislature for separation. Named for, the county was created in 1909. Libby won out an election over to host the county seat.

Geography
According to the, the county has a total area of 9,518 (3,675 ). 9,357 km² (3,613 sq mi) of it is land and 162 km² (62 sq mi) of it (1.70%) is water. The county borders the province of  to the north.

Adjacent counties

 * - east
 * - south
 * - west
 * - west

Demographics
As of the of 2000, there were 18,837 people, 7,764 households, and 5,333 families residing in the county. The was 2/km² (5/sq mi). There were 9,319 housing units at an average density of 1/km² (3/sq mi). The racial makeup of the county was 96.09%, 0.11% or , 1.20% , 0.31% , 0.04% , 0.39% from , and 1.86% from two or more races. 1.44% of the population were or  of any race. 23.6% were of, 12.0% , 10.2% , 9.8% and 9.4%  ancestry according to. 96.5% spoke, 1.7% and 1.3%  as their first language.

There were 7,764 households out of which 29.10% had children under the age of 18 living with them, 57.10% were living together, 7.80% had a female householder with no husband present, and 31.30% were non-families. 26.70% of all households were made up of individuals and 10.00% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.90.

In the county the population was spread out with 25.30% under the age of 18, 5.50% from 18 to 24, 24.20% from 25 to 44, 29.70% from 45 to 64, and 15.20% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 102.70 males. For every 100 females age 18 and over, there were 100.50 males.

The median income for a household in the county was $26,754, and the median income for a family was $31,784. Males had a median income of $30,299 versus $20,600 for females. The for the county was $13,923. About 14.20% of families and 19.20% of the population were below the, including 26.40% of those under age 18 and 10.80% of those age 65 or over.