The Red River War of 1874-1875 was a United States Army campaign to force the removal of Natives in Texas and their relocation to reservations, to open the region to white settlers.

[4] Early ranchers preserved water by damming canyons and draws to hold the heavy spring rains.

[5] Some of the earliest settlers were Isom Lynn, A. C. Tackett, Brants Baker, and Bud Arnett.

[6] The formerly-named Pitchfork Land and Cattle Company was organized in 1883, and SMS ranches were established during the same time frame.

By January 1, 1991, almost 114,403,000 barrels (18,188,600 m3) of oil had been pumped from King County lands since the first wells were drilled.

The last Democratic presidential nominee to win over twenty percent of the vote in King County was Bill Clinton in 1996.

Of all United States counties, King had the largest percentage of support for McCain.

[23] In the 2012 presidential election, President Obama fared even worse in King County.

There were only 7 votes cast in the Democratic presidential primary in King County that year.

[26] In the 2016 presidential election, former Secretary of State Hillary Clinton continued the downward trend.

Kerry remains the last Democrat to receive at least a double-digit number of votes in the county.

Libertarian Party candidate Rebecca Paddock received 2 votes or 2.2 percent of the total.

Libertarian Party candidate Kathie Glass received 2 votes or 2.2 percent of the total.

Republican Charles Perry represents King County and Senate District 28.

[33] The primary industries are raising beef cattle (since the late 19th century), and oil production (since 1943).