
Humboldt County
- State:
- Iowa
- County Seat:
- Dakota City
Humboldt County's estimated 2025 population is 9,458 with a growth rate of -0.22% in the past year according to the most recent United States census data. Humboldt County is the 78th largest county in Iowa. The 2010 population was 9,791 and has seen a growth of -3.4% since that time.