Thornburg is a city in Keokuk County, Iowa, United States. The population was 45 at the time of the 2020 census. Its sole enterprise is the Tri-County Community School, a public school serving grades K-12.
History
The Burlington, Cedar Rapids and Northern Railway built a 66-mile branch to What Cheer via Thornburg in 1879. The town was founded by the railroad and named in memory of Major Thomas T. Thornburgh, who died in the Meeker Massacre. By 1881, Thornburg was at the junction of the line to What Cheer and a branch to Montezuma.
Geography
According to the United States Census Bureau, the city has a total area of , all of it land.