Humboldt is a city in Humboldt County, Iowa, United States. The population was 4,690 at the 2010 census, gaining 238 people since the 2000 census.
Frank A. Gotch Park (just south of present-day Humboldt and Dakota City) was a location of prehistoric and some Dakota Indian villages near where the two forks of the Des Moines River meet. During westward expansion in the 1800s, this area is thought to be the location of a fort/trading post called Fort Confederation. According to Federal records in 1825, permission was granted to build the fort to trade with the Ihanktonwan Dakota (Yankton Sioux) Indians. Information about the exact details of the fort are unclear, such as if American or French traders built it, bringing up many questions about this fort.
The founder of modern Humboldt, Stephen Harris Taft, laid out the plans for Springvale, the original name of the town, in 1863. It was named Springvale because of the several natural springs found near the Des Moines River. Taft had very big plans for the community, and expected many intellectuals from the East to move to his new community.