Sheridan County, Montana Facts for Kids

Quick facts for kids Sheridan County
U.S. county
Sheridan County Courthouse in Plentywood
Location within the U.S. state of Montana
Montana's location within the U.S.
Country	United States
State	Montana
Founded	March 11, 1913
Named for	Philip Sheridan
Seat	Plentywood
Largest city	Plentywood
Area
• Total	1,706 sq mi (4,420 km²)
• Land	1,677 sq mi (4,340 km²)
• Water	29 sq mi (80 km²) 1.7%
Population (2020)
• Total	3,539
• Density	2.0744/sq mi (0.8009/km²)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	At-large
Montana county number 34

Sheridan County is a county in the U.S. state of Montana. As of the 2020 United States Census, the population was 3,539. Its county seat is Plentywood. Its northern boundary is the Canada–United States border south of Saskatchewan.

Geography
Demographics
- 2010 census
Communities
See also

Geography

According to the U.S. Census Bureau, the county has a total area of 1,706 square miles (4,420 km²), of which 1,677 square miles (4,340 km²) is land and 29 square miles (75 km²) (1.7%) is water.

Major highways

Montana Highway 16
Montana Highway 5

Adjacent counties and rural municipalities

Daniels County, Montana - west
Roosevelt County, Montana - south
Williams County, North Dakota - east
Divide County, North Dakota - east
Happy Valley No. 10, Saskatchewan - north
Surprise Valley No. 9, Saskatchewan - north
Lake Alma No. 8, Saskatchewan - north

National protected area

Medicine Lake National Wildlife Refuge (part)

Demographics

Historical population
Census	Pop.	%±
1920	13,847	—
1930	9,869	−28.7%
1940	7,814	−20.8%
1950	6,674	−14.6%
1960	6,458	−3.2%
1970	5,779	−10.5%
1980	5,414	−6.3%
1990	4,732	−12.6%
2000	4,105	−13.3%
2010	3,384	−17.6%
2020	3,539	4.6%
U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2020

2010 census

As of the 2010 United States Census, there were 3,384 people, 1,587 households, and 944 families living in the county. The population density was 2.0 inhabitants per square mile (0.77/km²). There were 2,089 housing units at an average density of 1.2 per square mile (0.46/km²). The racial makeup of the county was 95.4% white, 1.7% American Indian, 0.4% Asian, 0.2% black or African American, 0.3% from other races, and 2.0% from two or more races. Those of Hispanic or Latino origin made up 1.5% of the population. In terms of ancestry, 33.8% were Norwegian, 26.0% were German, 12.0% were Danish, 11.6% were Irish, 5.5% were Swedish, 5.3% were English, and 5.0% were American.

Of the 1,587 households, 21.3% had children under the age of 18 living with them, 49.5% were married couples living together, 5.7% had a female householder with no husband present, 40.5% were non-families, and 37.1% of all households were made up of individuals. The average household size was 2.08 and the average family size was 2.70. The median age was 50.3 years.

The median income for a household in the county was $39,578 and the median income for a family was $55,313. Males had a median income of $46,932 versus $22,107 for females. The per capita income for the county was $26,537. About 6.4% of families and 14.5% of the population were below the poverty line, including 8.8% of those under age 18 and 10.4% of those age 65 or over.