Hanna is a town in Carbon County, Wyoming, United States. The population was 841 at the 2010 census. The town was started as a coal supply location for the Union Pacific Railroad. Much of the old town is built on top of the former workings of the Hanna No. 4 mine. The population peaked at 2,288 in 1980 and has declined as local coal mines have ceased operation.
Geography
Hanna is located at . According to the United States Census Bureau, the town has a total area of, all of it land.
As of the census of 2010, there were 841 people, 346 households, and 232 families living in the town. The population density was. There were 497 housing units at an average density of. The racial makeup of the town was 95.6% White, 0.7% African American, 0.6% Native American, 1.2% from other races, and 1.9% from two or more races. Hispanic or Latino of any race were 4.0% of the population. There were 346 households, of which 33.2% had children under the age of 18 living with them, 55.8% were married couplesliving together, 7.5% had a female householder with no husband present, 3.8% had a male householder with no wife present, and 32.9% were non-families. 28.6% of all households were made up of individuals, and 14.1% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.97. The median age in the town was 39.2 years. 26.3% of residents were under the age of 18; 5.9% were between the ages of 18 and 24; 23.7% were from 25 to 44; 27.1% were from 45 to 64; and 17% were 65 years of age or older. The gender makeup of the town was 50.5% male and 49.5% female.
2000 census
As of the census of 2000, there were 873 people, 367 households, and 245 families living in the town. The population density was 426.9 people per square mile. There were 514 housing units at an average density of 251.3 per square mile. The racial makeup of the town was 95.53% White, 0.23% African American, 0.11% Asian, 1.60% from other races, and 2.52% from two or more races. Hispanic or Latino of any race were 5.50% of the population. There were 367 households, out of which 27.2% had children under the age of 18 living with them, 53.7% were married couples living together, 9.0% had a female householder with no husband present, and 33.0% were non-families. 27.5% of all households were made up of individuals, and 12.3% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.87. In the town, the population was spread out, with 25.7% under the age of 18, 6.0% from 18 to 24, 23.6% from 25 to 44, 30.1% from 45 to 64, and 14.7% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 105.9 males. For every 100 females age 18 and over, there were 96.7 males. The median income for a household in the town was $36,364, and the median income for a family was $39,219. Males had a median income of $41,000 versus $22,917 for females. The per capita income for the town was $16,062. About 18.4% of families and 20.4% of the population were below the poverty line, including 29.6% of those under age 18 and 7.5% of those age 65 or over.
In June 1903, at 10:30 a.m., an underground explosion occurred in the Hanna No.1 Colliery. The explosion was thought to have originated at the end of the, one and a half miles underground, blocking escape for the majority of workers. Of the 215 men on site, only 46 survived — the majority of victims being Finnish immigrants and black workers. The town's original grave site was far too small to handle such a large body count, and the town was forced to establish the Hanna Cemetery to bury the bodies, three miles outside of the town.
