Ellis County, Oklahoma

Ellis County
Ellis County
County
	Ellis County Courthouse in Arnett
	Location within the U.S. state of Oklahoma
	Oklahoma's location within the U.S.
	Coordinates: 36°13′N 99°45′W / 36.21°N 99.75°W
Country	United States
State	Oklahoma
Founded	1907
Named for	Albert H. Ellis
Seat	Arnett
Largest town	Shattuck
Area
• Total	1,232 sq mi (3,190 km2)
• Land	1,232 sq mi (3,190 km2)
• Water	0.4 sq mi (1 km2) 0.03%
Population (2020)
• Total	3,749
• Density	3.0/sq mi (1.2/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	3rd

Ellis County is a county located on the western border of the U.S. state of Oklahoma. As of the 2020 census, the population was 3,749,^[1] making it the fifth-least populous county in Oklahoma. Its county seat is Arnett.^[2]

The county was named for Albert H. Ellis, vice president of the 1906 Constitutional Convention.^[3]

^ "Ellis County, Oklahoma". United States Census Bureau. Retrieved May 11, 2023.
^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
^ Everett, Dianna. "Ellis County," Encyclopedia of Oklahoma History and Culture, 2009. Accessed April 4, 2015.