Humboldt County, Iowa
Humboldt County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 9,597, and was estimated to be 9,409 in 2025. The county seat is Dakota City and the largest city is Humboldt. The county was created on January 15, 1851, re-created on February 26, 1857, and named in honor of Alexander von Humboldt.