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Lincoln County, Washington facts for kids

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Lincoln County
Lincoln County Courthouse
Lincoln County Courthouse
Map of Washington highlighting Lincoln County
Location within the U.S. state of Washington
Map of the United States highlighting Washington
Washington's location within the U.S.
Country  United States
State  Washington
Founded November 24, 1883
Named for Abraham Lincoln
Seat Davenport
Largest city Davenport
 • Total 2,339 sq mi (6,060 km2)
 • Land 2,310 sq mi (6,000 km2)
 • Water 29 sq mi (80 km2)  1.2%%
 • Total 10,876
 • Estimate 
11,232 Increase
 • Density 4.4/sq mi (1.7/km2)
Time zone UTC−8 (Pacific)
 • Summer (DST) UTC−7 (PDT)
Congressional district 5th

Lincoln County is a county located in the U.S. state of Washington. As of the 2020 census, the population was 10,876, making it the fifth-least populous county in the state. The county seat and largest city is Davenport.

Lincoln County was created out of Whitman County in November 1883. It is named for Abraham Lincoln, the 16th president of the United States.


According to the U.S. Census Bureau, the county has a total area of 2,339 square miles (6,060 km2), of which 2,310 square miles (6,000 km2) is land and 29 square miles (75 km2) (1.2%) is water.

Geographic features

Major highways

Adjacent counties

National protected area

  • Lake Roosevelt National Recreation Area (part)


Historical population
Census Pop.
1890 9,312
1900 11,969 28.5%
1910 17,539 46.5%
1920 15,141 −13.7%
1930 11,876 −21.6%
1940 11,361 −4.3%
1950 10,970 −3.4%
1960 10,919 −0.5%
1970 9,572 −12.3%
1980 9,604 0.3%
1990 8,864 −7.7%
2000 10,184 14.9%
2010 10,570 3.8%
Est. 2021 11,232 6.3%
U.S. Decennial Census
1790–1960 1900–1990
1990–2000 2010–2020

2010 census

As of the 2010 census, there were 10,570 people, 4,422 households, and 3,059 families residing in the county. The population density was 4.6 inhabitants per square mile (1.8/km2). There were 5,776 housing units at an average density of 2.5 per square mile (0.97/km2). The racial makeup of the county was 95.0% white, 1.6% American Indian, 0.4% Asian, 0.3% black or African American, 0.5% from other races, and 2.2% from two or more races. Those of Hispanic or Latino origin made up 2.3% of the population. In terms of ancestry, 42.3% were German, 14.6% were Irish, 13.9% were English, 5.5% were Norwegian, 5.3% were Scotch-Irish, and 3.6% were American.

Of the 4,422 households, 25.9% had children under the age of 18 living with them, 57.3% were married couples living together, 7.7% had a female householder with no husband present, 30.8% were non-families, and 27.1% of all households were made up of individuals. The average household size was 2.37 and the average family size was 2.85. The median age was 47.6 years.

The median income for a household in the county was $45,582 and the median income for a family was $52,083. Males had a median income of $44,491 versus $30,617 for females. The per capita income for the county was $24,757. About 7.1% of families and 12.1% of the population were below the poverty line, including 21.5% of those under age 18 and 6.0% of those age 65 or over.




Unincorporated communities


The county is dependent on agriculture, primarily wheat farming. Lincoln County is generally considered the second-largest producer of wheat in the United States (following Whitman County, Washington), sometimes producing 25 million bushels (680,000 t) per year. Only about 500,000 of 900,000 acres (2,000 of 3,600 km2 (1,390 sq mi)) of farmland in the county are planted in any given year due to the practice of typically harvesting one crop every two years ("summer-fallow"), a necessity in a region with only 12 inches (300 mm) of precipitation annually.

Livestock husbandry is also a significant county activity, although to a significantly lower degree. For example, in 1954 the county was #3 in the state for crop income, but was only #21 in the state for income from livestock and livestock products.

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