Hanna is a town in Carbon County, Wyoming, United States.

The town was started as a coal supply location for the Union Pacific Railroad.

The population peaked at 2,288 in 1980 and has declined as local coal mines have ceased operation.

[8] According to the United States Census Bureau, the town has a total area of 2.05 square miles (5.31 km2), all land.

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.

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.

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.

Public education in the town of Hanna is provided by Carbon County School District #2.

Zoned campuses include Hanna Elementary School (grades K-6) and H.E.M.

A council consisting of 4 elected members is headed by the office of the mayor.

Charlie Gorge (Republican)/ In office from 2025-present 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 stope, 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.