Byron is a town in Big Horn County, Wyoming, United States. The community has the name of Byron Sessions, a Mormon leader.

In February 2025 the community faced tragedy when a mother killed her four children then herself.

Geography

According to the United States Census Bureau, the town has a total area of , of which is land and is water.

Demographics

2010 census

As of the census of 2010, there were 593 people, 210 households, and 161 families living in the town. The population density was . There were 238 housing units at an average density of . The racial makeup of the town was 97.1% White, 0.2% Native American, 1.9% from other races, and 0.8% from two or more races. Hispanic or Latino of any race were 12.5% of the population.

There were 210 households, of which 38.6% had children under the age of 18 living with them, 60.0% were married couples living together, 12.4% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 23.3% were non-families. 19.0% of all households were made up of individuals, and 7.1% had someone living alone who was 65 years of age or older. The average household size was 2.82 and the average family size was 3.25.

The median age in the town was 35.9 years. 30.9% of residents were under the age of 18; 7.2% were between the ages of 18 and 24; 24% were from 25 to 44; 24.3% were from 45 to 64; and 13.7% were 65 years of age or older. The gender makeup of the town was 50.8% male and 49.2% female.

2000 census

As of the census

Government

Byron has a mayor and town council. There are four council members. In 2026 the mayor was Allan Clark.

Education

Before the educational system of Byron was moved to Cowley, public education in the town of Byron was provided by Big Horn County School District #1. High school students now attend Rocky Mountain High School in Cowley, Wyoming. Middle School students attend Rocky Mountain Middle School in Cowley and Elementary students attend Rocky Mountain Elementary School in Cowley.

See also

  • List of municipalities in Wyoming

References