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Weston County, Wyoming facts for kids

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Weston County
Weston County Courthouse in Newcastle
Weston County Courthouse in Newcastle
Flag of Weston County
Map of Wyoming highlighting Weston County
Location within the U.S. state of Wyoming
Map of the United States highlighting Wyoming
Wyoming's location within the U.S.
Country  United States
State  Wyoming
Founded March 12, 1890
Named for Jefferson B. Weston
Seat Newcastle
Largest city Newcastle
 • Total 2,400 sq mi (6,000 km2)
 • Land 2,398 sq mi (6,210 km2)
 • Water 1.9 sq mi (5 km2)  0.08%%
 • Total 6,838
 • Estimate 
 • Density 2.85/sq mi (1.100/km2)
Time zone UTC−7 (Mountain)
 • Summer (DST) UTC−6 (MDT)
Congressional district At-large

Weston County is a county in the U.S. state of Wyoming. As of the 2020 United States Census, the population was 6,838. Its county seat is Newcastle. Its east boundary line abuts the west line of the state of South Dakota.


Weston County was created by the legislature of the Wyoming Territory on March 12, 1890. The county was created out of a portion of Crook County.

Weston County was named for John B. Weston, who was a geologist and surveyor. In 1887, John Weston and Frank Mondell found rich coal deposits north of Newcastle which caused a railroad to be built through the area.

In 1911, Campbell County was formed from portions of Weston County and Crook County. Since then, the boundaries of Weston County have been stable.


According to the U.S. Census Bureau, the county has a total area of 2,400 square miles (6,200 km2), of which 2,398 square miles (6,210 km2) is land and 1.9 square miles (4.9 km2) (0.08%) is water.

Adjacent counties

Major Highways

  • US 16.svg U.S. Highway 16
  • US 20.svg U.S. Highway 20
  • US 85.svg U.S. Highway 85
  • WY-116.svg Wyoming Highway 116
  • WY-450.svg Wyoming Highway 450
  • WY-585.svg Wyoming Highway 585

National protected areas


Historical population
Census Pop.
1890 2,422
1900 3,203 32.2%
1910 4,960 54.9%
1920 4,631 −6.6%
1930 4,673 0.9%
1940 4,958 6.1%
1950 6,733 35.8%
1960 7,929 17.8%
1970 6,307 −20.5%
1980 7,106 12.7%
1990 6,518 −8.3%
2000 6,644 1.9%
2010 7,208 8.5%
2020 6,838 −5.1%
US Decennial Census
1870–2000 2010–2016

2010 census

As of the 2010 United States Census, there were 7,208 people, 3,021 households, and 1,957 families in the county. The population density was 3.0 inhabitants per square mile (1.2/km2). There were 3,533 housing units at an average density of 1.5 per square mile (0.58/km2). The racial makeup of the county was 95.5% white, 1.3% American Indian, 0.3% black or African American, 0.3% Asian, 0.9% from other races, and 1.7% from two or more races. Those of Hispanic or Latino origin made up 3.0% of the population. In terms of ancestry, 31.7% were German, 19.3% were Irish, 18.5% were English, 6.6% were Norwegian, 6.1% were Swedish, and 5.6% were American.

Of the 3,021 households, 26.1% had children under the age of 18 living with them, 53.2% were married couples living together, 6.9% had a female householder with no husband present, 35.2% were non-families, and 29.9% of all households were made up of individuals. The average household size was 2.28 and the average family size was 2.81. The median age was 42.3 years.

The median income for a household in the county was $53,853 and the median income for a family was $63,438. Males had a median income of $53,095 versus $28,724 for females. The per capita income for the county was $28,463. About 5.8% of families and 7.9% of the population were below the poverty line, including 10.1% of those under age 18 and 10.1% of those age 65 or over.




Census-designated places

Other places

See also

Kids robot.svg In Spanish: Condado de Weston (Wyoming) para niños

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